1991: Archaeology on the anxious coast
Transcription
1991: Archaeology on the anxious coast
Australian Archaeology 33: 3-1 3 ARCHAEOLOGY ON THE ANXIOUS COAST Annie Nicholson and Scott Cane This section of the South Australian coastline, from Port Lincoln to Ceduna, is some 350 km of ruggeddiffs and vast bays spread along the coast either side of Anxious Bay. The waters here are abundant with a variety of marine life, from sea lions to bluefin tuna, prawns, crayfish and abalone. The area is also home to substantial numbers of the infamous white pointer shark. There is a warning in the names of some of the places, like Anxious Bay, Coffin Bay, Avoid Bay and Cape Catastrophe. Warren (1988) INTRODUCTION In recent years a significant amount of archaedogical work has been carried out on the Nullarbor Plain. This adds to previous studies done in that region about two decades ago (Pretty 1977; Wright 1971) and indudes excavations at Allens Cave, preliminary ardaedogical work at Oddea, the description and recording of the Footprint Site at Bookabie, investigations into the distribution of flint at archaedogical sites across the Plain, and mapping of the Wilson Bluff flint quarry (see Cane and Gara 1989; Gara and Cane 1988; Gara et al. 1988). An issue raised by this archaeological work relates to the nature of coastal occupation (Gara and Cane 1988). Bates (1912, 1918) and others (Greenway 1973; Tindale 1974) state that Aboriginal occupation within the larger Nullarbor environment concentrated on the coast. As a result one would expect to find midden sites similar to those found elsewhere in Australia. Yet this is not the case. There are no middens of the type found in eastern Australia recorded on the 300 km of the Nullarbor coastline. This raises questions about the nature of Aboriginal occupation in this semi-arid coastal area. Specifically, if occupation did focus on the coast why is there so little evidence of it? The unexpected absence of sites on the Nullarbor coastline promoted investigations further afield; in this case the Anxious Coast immediatelyto the east (Fig. 1). Once again the large midden sites were absent. The archaedogical sites found along th~scoastline were National Heritage Studies, PO Box 92. Hall ACT 2618 mostly small, containing thin surface scatters d deflated midden material. This demonstrated that Aboriginal people did live on this coast, but it suggested they were not using marine resources extensively. This raises an interestingquestion: Why were coastal resources under-exploited on the west coast d the Eyre Peninsula when elsewhere in Australia marine foods contributed significantlyto Aboriginal economies? The answer to this question is the subject of a major study by Nichdson. At this stage we would like todraw attention to the archaedogical character of the region and identify a series of interesting issues for future debate. To do this we will describe the results of an initial archaedogical survey and provide a summary of the relevant ethnographic evidence. We will then examine how other schdars have interpreted Aboriginal subsistence and settlement of coastal areas, and in so doing raise the question: Why dMn't the people of the Anxious Coast eat shellfish?. THE ANXIOUS COAST Parts of the west coast of the Eyre Peninsula are extremely rugged and remote. Steep rocky diffs rise out of the ocean to tower above a coastline exposed to the persistent groundswell of the Southern Ocean. These cliffs are made of Pleistocene dune calcarenite capped by Hdocene dunes (Short et al. 1987) and have extensive areas of reef platform rich in a diverse range of edible resources - although this is something that will require quantification at a later date. Numerous bays are also present along the west coast. They range from wide, exposed inlets (Anxious, Searcy, Corvisart and Fowlers Bay) to enclosed, lcrw energy environments (Streaky and Smoky Bays). The protected bays are characterised by well-developed inter-tidal flats (Venus Bay) and, in some cases, mangrove cdonies (Laura and Twrville Bays). Many of the bays contain long stretches of sandy beaches backed by extensive sand bodies. No creeks or streams flow into any of the bays along the west coast This is an important consideration as it severely limits the availability of drinkable water. The only 'creek'on this coastline (Acraman Creek) is saline. Some ground water flows out of springs located on the margin of many of the salt lakes. This water may have been potable in the past. Soakages are also fairly s k:haeology on the Anxious Coast S O U T H A U S T R A L I A Fmme PENINSULA Figure 1 The Anxious Coast, west coast of the Eyre Penlmulp, South Australia dose to the surface at many locations in the vast sand dunes present on this coast. Despite extensive land dearance for wheat cultivation, the coastline itself has remained virtually unchanged since Europeans first settled the area in the 1860s. The west coast retains a remoteness derived essentially from its rugged, windswept character. It is easy to imagine life in this area before European settlement Overlookingthe vast Southern Ocean, the archaeological landscape somehow becomes more tangible. FIELD RECONNAISSANCE Two months were spent on the Eyre Peninsula during the summer d 198911990 assessing the nature of the archaeology and undertaking a preliminary season of s l e recording. The field survey cavered a 300 km length of coast, from Fowlers Bay to Elliston (Fig.2). When the number of bays and small indentations along this coast are considered, the actual length d coastline is much greater than this. A total of 160 archaeological sites were located during this field season. None of these sites had been recorded previously as virtually no archaeological work has ever been carried out on the Eyre Peninsula. A couple of the sites in the Streaky Bay area were knownto the NationalParks and Wildlife Service and a couple more were listed on the South Australian Aboriginal Heritage Site Register. No detailed records were available for any d these sites. so the information recordedduring this survey provides the first substantial insight into Aboriginal occupation patterns on the west coast The sites recorded can be broadly dassed as either middens or open campsites, although these categories do not adequately describe the variation in site types recorded along the coast This variation will be detailed Nicholson and Cane 5 YRE INSULA 0 , $Ohm Figure 2 Fowlers Bay to Elliston - the study area on the west coast of Ihe Eyre Peninsula in later work. The fdlawing discussion will be largely descriptive, focusing on the qualitative features as a means for providing an overview of the nature and location of sites on this stretch of the west coast of the Eyre Peninsula. Middens Most d the midden sites were found in small blowouts in difftopdunes above rocky coastlines. These contain periwinkle shells, both Nerira atramentma and two species of Austroaxhlea, A. concamerata and A. constricra. These latter species are also known as Diloma concamerata and Mondonta constricts respectively. Limpet shells (Patella laticostata) are also present in smaller quantities in these middens. This midden material tends to be present in discrete dusters despite the eroded nature d the sites. The periwinkles are highly fragmented, suggesting they were broken to exlract the meat. This proposition is reinforced by the presence d rounded beach pebbles and small rock slabs which could have been used to smash the shellfish open. Flaked stone artefacts are sometimes present in low numbers, rangingfrom a couple of isdated artefacts to scatters of around 30. These are scattered wer deflated areas adjacent to the midden material, rather than being located amongst the shells. Other middens are characterised by scatters d individual rather than dustered shells. These sites differ in two ways from the former. They cover larger areas (often up to several hundred metres) and contain larger gastropod species. Most common are turban shells (Turbo torqoatus, T. undulatus), fdlowed by cartrut (Thais orbita) and abalone (Haliots sp.). These are mixed with the stone artefact material. These shells are generally at the maximum end d the size range for each particular shell type. The large size suggests that foragers were only selecting the biggest individuals when gathering. This raises interesting questions about the subsistence strategies assodated 6 Archaeology on the Anxious Coast with the sites. For example, were the occupants of the sites employing an affluent form d optimal foraging or does the size of the shells reflect the structure of the natural population. Also of interest is the uniform fracture pattern on the cartrut shells. Hdes of the same size and shape in identical places are present on these shells indicating they were punctured to extract meat. Turban opercula were also found within these sites. The size d the opercula correspond to Me large size d the parent shells. One particularly large operculum shaved evidence d having been 'retouched' around its margin. Similar retouched shells have been identified at coastal Nullarbor sites and suggest the use of shell took in this region. Estuarine middens were also found. These sites contained W e s (Donax deltoides, Katelysia sp.), scallops (Pectin benedidus albis), mussels (Mytiius edulis) and mud oysters (Ostrea angasr). Although only represented in small numbers, the presence of scallop shells in these middens is interesting as this shell type has not often been recorded in Australian middens. Scallops can be collected in shallow water on the west coast, and contemporary oral histories indicate that scallops were a traditionalAboriginal food in this area. Open Campsites These sites contained more stone flakes than shells and, in some instances, fauna1 remains and emu eggshell. The largest artefact scatters are often located on wide deflated areas of calcrete pavement either on difftopsor adjacent to transgressive dunes immediately behind the beach. These scatters generally contain hundreds of artefacts spread wer wide deflated areas. Artefact densities were low, generally less than l/sq m, and most were made of flint. Several different cdwred flints were identified. They may all be derived from the wtcrops at Wilson Bluff, as there is considerable variation present within this outcrop. A small, rnore inaccessible flint outcrop is located at Sponge Cwe at Head of the Bight and this may also have been used by Aboriginal people as a source of flint (Eyre 1845). The presence offlint at archaeological sites along the entire section of coast surveyed indicates the movement ofthis raw materialwer distances of at least 300 km. The proportion uf flint at the sites varies. Flint is the dominant raw material at sites around Fowlers Bayand Ceduna, but further east alongthe coast (away frwn the source) the proportion of flint at the sites decreases. Flint artefacts locatedat sites around Lake Newlands near Elliston (at the eastern limit of the study area) tend to be much smaller than those found at sites doser to the Nullartxx Plain. Several small bipolar cores were found at these sites and the flakes had thin striking platforms. This suggests the conservative use of this precious stone resource at sites more distant from the quarries. As the distance between sites and the flint quarries increases there is a proportional increase in the use of local carbonate rock as a raw material in the manufacture of stone tools. Artefacts made from various types of carbonate were identified. Some of these are coarse-grained materials with poor flaking characteristics but others are quite uniformly finegrained. Only a few showed evidence of having been retouched. Quartz artefacts are also present at some sites. No quartz outcrops have yet been identified in the study area but the high proportion of this raw material at sites around Point Brown (in the centre of the study area) and the large number of cores and large primary flakes found at these sites suggests a local source is likely. Quartz seams are probably present within the underlying granite basement rock and this is exposed at several locations near Point Brown. Other raw materials present at the sites indude various types of quartzite, silcrete and chert. Some artefacts made from volcanic rocks were also found. Outcrops of quartzite may be located in the coastal region but the other raw materials come from more distant sources. The volcanic material is likely to have come from the Gawler Ranges, 200 km to the northeast. The nearest source of silcrete and chert is likely to be in the desert region to the north of the Nullarbor Plain. This indicates that these raw materials have beentransported intothis coastal area, over distances of about 500 km. This movement of stone suggests the existence of travel routes or exchange links between west coast Aboriginal groups and the inland people from both the Gawler Ranges and the northerndesert region. Exotic raw materials are more common at sites dosest to the Nullarbor. This supports an idea that some ofthese materials originatedfrom the desert region to the north of the Plain, probably travelling along trade routes extending east from Oddea via Fowlers Bay (Gara and Cane 1988). Most of the artefads found at these coastal sites were unretouched flakes, cores and broken fragments. Flakes showing evidence of retouch or usewear were also recorded and small grinding mortars and manuports (usually beach pebbles or flat slabs of local granite rock) were found at many of the sites. However, the larger campsites containeda range of formal tods. Tod types present indude adzes and adze slugs, scrapers, points and micrdiths induding thumbnail scrapers and geometric micrdiths. By far the most common of these are the adzes. Both tula and burren adzes were recorded. Scrapers are also relatively common, while points and micrdiths are rnore restricted in their distribution. Formal tods are Nicholson and Cane 7 generally made of flint and silcrete and are most frequently found at the sites in the western portion of the study area. Other evidence of Aboriginal occupation induded the widespread presence of emu eggshell. This was frequently found scattered amongst the artefacts at the larger open campsites. Some had been burnt and this has been collected for dating. Other evidence of fires is provided by the presence of blackened calcrete stones and some recent charcoal hearths. A small amount of faunal material is present at a few of the sites but generally conditions are not suitable for its preservation. The most extensive range of faunal material was identified at a series of sites just south of Streaky Bay. Initial observations indicate this material represents a variety of small marsupials including wallabies, bettongs, bandicoots, qudls and possums. One of the wallaby species present has never before been identified outside southwestern Western Australia and Central Australia. A small number of native mice and goanna bones as well as seal, penguin, sea birds and a variety of fish remains have also been identified. Fauna1 material was found on Long Beach in the Point Sinclair area. Once again small marsupials dominate the assemblage with wallabies, bettongs, bandicoots and dunnarts represented. Native mice and lizard remains are also present, and a small amount of fish material was recorded. Of particular interest is the presence of emu and dingo bones. The emu remains suggest a large part of the bird was butchered and consumed at this site. Some sites 'Ontained evidence of other cultural activities. For example, a large fossil manuport of two cockie shells was found at one site. This manuport must have been carried to the site by the ~boriginal occupants and is likely to have come from as far away as the Nullarbor diffs. Another site contained evidence of decoration. A series of small cone shells, all had a hole in the tip of the shell, suggesting they had once been strung together and worn as a necklace. Baler shells were found at several of the sites. Baler shells are associated with trade and religious or ceremonial activities in other semi-arid regions (Akerman 1980). The role of the shells at these coastal sites poses an interesting question. They were only found at the larger sites; never in associationwith the small deflated difftop or foredune middens. Southern balers are a deep sea speaes, and presumably were collected dead, washed in on the beach. Contemporary Aboriginal people daim their ancestors dived for them but there is no evidence to confirm this. The shells may have been used as vessels for carrying food and water, or as decorative items. At a superficial and regional level the nature d the archaeologicalmaterial on the Anxious Coast indicates small scale, sparse settlement. Many of the shells contained within the middens are large, indimting selective use of the best quality resources. The stone component is typically that of a desert typological tradition, unlike other coastal assemblages found elsewhere in southern and eastern Australia. The nature of the archaeological evidence suggests minimal, selective exploitation of the coast by people with a desert cultural tradition. THE ETHNOGRAPHIC RECORD To help interpret the archaeological remains and further understand the nature of the coastal occupationwe can turn to the ethnographic literature available for this area. Because of the nature of European settlement in this region and the influence it had on the Aboriginal population, there are few descendents of the original Aboriginal inhabitants now living on the Anxious Coast. Although the number of Aboriginal people now living on the coast is greater than in pre-contact times, many of these people have come from the northern desert regions to settle at Yalata, Koonibba and Ceduna following a complex process of historical change (see Cane and Gara 1989). The Point Lincdn area also has a relatively high Aboriginal population but the area in between is virtually devoid of Aboriginal people. In fact, the coastal area between Streaky Bay and Elliston is considered taboo by local Aboriginal people, who will frequently travel inland to avoid this stretch of coast. One wonders if this was the case in the past but the feeling seems to stem from hostile race relations which characterized the contact period. Of particular significance is the reprisal massacre of a large number of Aborigines which is said to have occurred at Elliston during the late 1800s (Chatter 1989; Pope 1989). The ethnography is sketchy, and only a limited amount of information relatingto Aboriginal occupation patterns on this coast is available. Some of this information is derived from early historic accounts (Angas 1847; Provis 1879; Schurmann 1846; Taplin 1879). More detailed information comes from early anthropological investigations carried out amongst Aboriginal people congregated at Oddea, on the eastern edge of the Nullarbor Plain, and later at Yalata (Bates 1918, 1938; Berndt 1941; Berndt and Berndt 1942a, 1942b, 1943). It appears that two different groups occupied the west coast. To the north and west were the Wirangu whose territory extended along the coast from Head of Bight to just south of Streaky Bay and inland to Oddea and the western end of the Gawier Ranges (Tindale 1W4:2 19). The W irangu probably consisted of coastal and inland groups such as have been recorded amongst the Nullarbor coastal tribe, the Mirning. The 8 Archaeology on the Anxious Coast Wirangu, like the Mirning, are recognized as being different from the people who occupied the adjacent desert regions and who belonged to the Western Desert Cultural Bloc (Berndt 1942a:324). Berndt's work amongst the Wirangu at Ooldea in 1941 indicates that they themselves recognized this distinction and saw themselves as different from the desert people (Bemdt 1985:128). However, this is not reflected archaeologically. To the east of the Wirangu were the Nauo. Their territory covered half of the Eyre Peninsula, from Venus Bay to Coffin Bay. During the historic period these people were concentrated in the coastal scrub country. Tindale (1974:214) speculates that they may once have inhabited the majority of the Peninsula but were forced to contract their boundaries when Lake Eyre groups moved south into Nauo territory. Even less information is available for the Nauo than for the Wirangu as few traditions belonging to this group survived the initial contact period. From the evidence available it appears that the Nauo were socially and culturally different from the Wirangu. They appear not to have had much contact with the Western Desert groups, but instead had links with the people belonging to the northern Lakes groups from around Lake Eyre and Tonens. Thus it appears that there were two different socio-cultural systems operating on the west coast during the more recent past. Because of the limited information available about these groups, particularly the Nauo, it is difficult to identlfy specific characteristics of the groups which have relevance to the archaeological record. Nevertheless, some general information is available about the nature of Aboriginal occupation in this area. Most of this is derived from Bates' (1938) work amongst the Wirangu. Schumnn's (1846) early description of Aboriginal people in the Port Lincoln area also provides some useful details but this has only limited relevance as it relates specifically to the Banggala from the northern Lakes district (who occupied the eastern portion of the Peninsula during historic times). From all accounts it appears that life on the west coast was strongly influenced by the availability of water. Aboriginal settlement patterns tended to be charaderized by seasonal movements which were determined by water availability and designed to maximize resource availability. Duringthe dry summer months people were concentrated in the coastal areas where water supplies were more reliable. As mentioned previously, soaks and springs are located in the coastal sand dunes and lakes. The higher rainfall and lower evaporation rates characteristic of coastal areas meant that rockholes were likely to be filled and remain fuller than those inland. It was only after winter rains that people ventured away from the coast. During these times people dispersed widely to hunt game and collect vegetable foods. As the smaller, temporary waters dried up, people concentrated at the larger rockholes such as Euria Rockhole located a short distance inland between Fowlers Bay and Penong. When these dried up people were once again drawn back to the soaks and wells along the coast. Within this general pattern of seasonal movement small parties are likely to have travelled inland at any time, using water from mallee roots and other sources (such as morning dew). Large groups also probably moved inland after heavy summer rains. The ethnographic information clearly illustrates the importance of coastal water sources. Bates (1938) lists a number of water sources which were of particular importance to the Wirangu. These indude the permanent wells and soaks in the sand dunes at Head of Bight. This location, known as Illcumba, was a summer camp and had been 'a gathering place from time immemorial' (Bates 1913). The wells and soaks in the dunes at Fowlers Bay were also important water sources. Edward Eyre (18 W 2 19) who travelled overland along the west coast in 1840-41 described Aboriginal wells dug to a depth of 4 m to 5 m in these dunes. Further east along the coast (through both Wirangu and Nauo territory) Eyre visited numerous other soaks, wells and rockhdes. Without his Aboriginal companions to guide him to these water sources. Eyre's overland journey would have been impossible. Past Aboriginal population densities on the west coast are difficult to estimate. One of the earliest observations of Aboriginal people living on this coastline is provided by Flinders (1814) who mapped the area during his voyage of discovery in 1802. He saw the smoke from what he presumed to be Aboriginal fires at many locations along this coast (hence the name Smoky Bay) and found the remains of d d camps at Fowlers Bay. It was onlyat Coffin Baythat Aboriginal people themselves were seen and this led Flinders to remark that 'these shores were therefore better inhabited than the more western parts' (1814: 127). This statement provides a clue to the nature of the archaeology; it suggests the sites are sparse, because the population was sparse. This is little more than a speculative observation, but more precise information is extremely limited. Very few official records are available upon which to base population estimates for this coastal area. When considering the limited evidence that is available, the effect of post-contact demographic changes must be remembered. These indude the alteration of traditional boundaries through the contraction of some groups' territories as a result of the expansion of others. In addition the population is likely to have already been reduced significantly by both introduced diseases and the effects a f poor living conditions. Nicholson and Cane 9 In the Fowlers Bay area a census recorded 162 Aborigines in the settled districts west of Penong. No direct population estimates are available for the Nauo. Berndt (1985:127) does however provide a figure of 2000 as an estimate of the total pre-contact Aboriginal population of the Eyre Peninsula. This is a population density of roughly one person/20 sq km; much lower than the east coast of Australia. Let us now look at the specific question of the rde marine food resources played in the subsistence economy. The ethnohistorical evidence suggests that fish contributed to the diet of coastal groups across the entire west coast, although only selected species were eaten. Those chosen for consumption were caught by spearing, herding or by the use of traps, both natural and human made. There is no evidence of nets or hooks having been used in this area (Schurrnann 1846:218). The difficulties associated with catching fish during the rough winter weather conditions has been cited by an early explorer in the region as an additional reason why Aboriginal people moved inland during the winter months (Register 2 11911858). Fish appear to have contributed to the diet, but the size of this contribution is difficult to estimate. The role of shellfish in the Aboriginal diet is even more difficult to ascertain as the evidence is somewhat contradictory. Historical accounts suggest that coastal groups did not eat shellfish (eg Schurmann l846:216), while information collected by Bates amongst the Wirangu implies shellfish had both a domestic and ceremonial role. She described how some of the coastal people belonged to the 'mdlusc totem'. When visiting relatives inland the 'mdlusc' people were required to take gifts of mdluscs. When visited by inland relatives a 'great feast' of cooked molluscs was prepared. In another observation this is partially contradicted. Bates (1921) noted that when desert people came to the coast they were unhappy entering the water and were reluctant to eat the shellfish gathered by the coastal tribes. Bates (1938:134) also described the exploitation of other marine food resources including seals, penguins and sea birds. Reference is also made to occasional feasts of beached whales. This brief summary indicates three basic points which have relevance to understanding how Aboriginal people exploited the Anxious Coast in the prehistoric past The first is that people did in fad live on the coast. The second is that there were not many people, but there were probably more than on the Nullarbor coast, and finally that people did eat marine resources. How intensely these resources were used is the questionwe seek to answer. COASTAL ARCHAEOLOGY : A REVIEW In one sense, the ethnographic literature raises more questions than it answers. These relate to issues frequently encountered in coastal archaedogical studies and indude the relationship between coastal and inland areas, the nature of coastal resources and the contribution of coastal resources to the overall subsistence economy. An additional question is that of the antiquity of coastal resource exploitation. When and why did Aboriginal people start exploiting the coast? To address these issues and so facilitate an understanding of Aboriginal occupation patterns on the west coast, it is helpful to look at how archaeologists have interpreted the evidence from other coastal areas in Australia. This review will focus on work carried out in southeastern Australia and Tasmania as these areas are most relevant to an understanding of occupation patterns on the Anxious Coast. Relevant information derived from investigations carried out in other coastal areas will also be induded. In particular, the nature of Aboriginal coastal occupation in the southwest of Western Australia will be considered as there appear to be similarities between that region and the west coast of South Australia. Archaedogical investigations in Tasmania provide an important base for understanding Aboriginal occupation of the Anxious Coast. Over the last 25 years many archaeological studies have been carried out and these have provided the fdlawing interpretationof the rde of the coast in the Tasmanian Aboriginal economy. The coast provided the focus for occupation in Tasmania with virtually all groups having some access to coastal resources. As a result population densities were high in coastal areas. The large number and size of middens along this coast indicates the importance of coastal resources. An example of this is the 8000 year d d site at Rocky Cape which consists ofa midden deposit 7 m deep. In Tasmania the coast appears to have played a greater role in the economy of west mast groups than those of the east. This is thought to have been related to the inaccessible nature of the west coast hinterland which forced people to exploit the coastal resources (Jones 1984). On the west coast, occupation focused on the coast throughart the year. 'Coastal bases' were established from which surrounding local resources could easily be exploited. On the east coast occupation patterns appear to have been seasonally determined (Lourandos 1WO). During summer people dispersed across the landscape and exploited terrestrial resources. In the winter months they concentrated on the coast where shellfish resources were exploited. 10 Archaeology on the Anxious Coast This indicates that shellfish may have been seasonally exploited and raises the question of the overall rde of shellfish in the coastal economy. Jones (1984) describes how the exploitation of shellfish on the west coast occurred more intensely during the winter months. Beyond the identification of seasonal resource exploitation the implication of this is that shellfish resources were exploited more intensely when other more preferablefoods were unavailable. In this sense shellfish appear to have provided a reliable resource to fall.)backon during leaner times. This notion has been questioned by Vanderwal and Horton (1984) who, on the basis of archaedogical work in the southwest, believe that shellfish were a relatively constant source of food throughout the year. In terms of the antiquity of coastal occupation, Jones (1984) suggests that intense exploitation of coastal resources only occurred wer the last 1500 years. Obviously shellfishing began before this time (Rocky Cape is 8000 years dd) but most midden sites are younger than 1500 years. Jones opens the question for debate and suggests that the exploitation of coastal resources is mare complex than the simple issue of resource availability. Perhaps a more complicated set d factors induding techndogical developments and changes in population structure influenced eaoitation strategies. To investigate this issue further it is necessary to consider evidence from other coastal areas. The archaeological evidence from South Australia is quite limited in this regard. Work carried out by Lampert (1981) in the 1970s suggested that very few coastal sites, and virtually no middens, were to be fwnd west of the Coorong. He assumed the absence d sufficient mollusc resources to be the reason for this and suggests that coastal people focused on fishing rather than shell fishing. Lampert raised the important issue dwhether middens accurately refled occupation densities in areas where molluscs were not preferentially exploited. He suggested that the orientation d coastal groups towards fishing may be virtually invisible as fish remains do not preserve well unless incorporated into a deposit More comprehensive work has been carried out by Luebbers (1978) on the Coorong. He identified a shift tuuvards the coast and the exploitation d shellfish resources wer the last 2000 years. He links this economic shift to regional demographic changes caused by changing ernhnmental conditions. He argues that occupation shifted to the coastal strip when the inland swamps dried up during the late Hdocene. Further east, evidence from Vidoria indicates that inithl coestal occupation occurred immediately fdluwing sea level stabilizationaround 6000 years ago, with intense coastal occupation only occurring in the last two thousand years. Population densities were high on this coastline, with figures comparable tothose of the densely populated Arnhem Land coastline (Lourandos 1980). Much of the work carried out on this coastline has been done by Coutts (1981). He has identified two types of coastal sites; temporary camps located immediately on the foreshore and base camps, located a short distance inland. The latter represent longer term occupation sites from which the resources of the surrounding landscape were exploited. For Coutts, environmental factors determined site location and content, and changes in resource availability explainvariations in coastal occupation patternsduring the Hdocene. A greater amount of archaeological work has been carried out further up the east coast. On the south coast of New South Wales many middens have been excavated and a detailed picture of Aboriginal occupation is available. Evidence from two Pleistocene sites, Burrill Lake (Lampert 1971a) and Bass Point (Bowdler 1970), indicates that occupation intensity was low during the Pleistocene and early Hdocene but increased between 6000 and 4000 years ago, with a marked increase after 4000 BP. The gradual increase has been attributed to the development of an expanded littoral zone which provided a rich variety of resources and enabled increased Aboriginal usage of the coastal zone. The more recent increase in occupation levels, however, cannot be attributed to changing environmental conditions as, by this time, the littoral zone had developed and the estuarine and marine environments had stabilized. Instead, other factors such as population increasesandlor the development of a more effiaent technology, have been used to account for the late Hdocene increase in coastal occupation (Hughes and Lampert 1982). Coastal occupation in this area was characterized by a 'mixed economy' which involved the exploitation of all available resources induding woodland, estuarine and marine resources. The 'rich dependable resources of the seashore' have been emphasized within this economy (Lampert 1971b:64). The ethnohistorical evidence suggests that occupation patterns on this coast varied throughout the year. Coastal occupation during the summer months was semi-nomadic with a wide range of estuarine and marine resources being exploited. In winter a reduction in resource availability forced people to become more mobile. Nomadicwinter subsistence patterns may have induded the utilization of inland areas nut visited during the summer months. The sites themselves vary between short-term specialized camps, and main camps characterized by longer occupation and more generalized foraging. This research gives us some dues into the ways in which Aboriginal people used the coast. It is food for thought and has mnparative value for our Anxious Coast investigation. Also of relevance are Nicholsonand Cane 11 archaedogical and ethnographic observations on the tropical north coast. Here coastal subsistence appears to have been less intense than further south. At Princess Charlotte Bay on Cape York Peninsula, Beaton (1985) notes that resource availability was not necessarily the determining factor in resource exploitation. He demonstrates that people do not always make maximum use of the resources available to them, a characteristic also identified by Jones (1984) in relation to Tasmania. Beaton's work also illustrates that shellfish beds were subject to short-term fluctuations. This questions the perceived notion of the reliability and stability of shellfish resources. Meehan (1977, 1982) originally raised this point in relation to changes in foraging strategies amongst coastal people in Amhem Land. S he also provided a number of other interesting insights of relevance to our study. For example, shellfish were found to represent a constant and predictable food resource which prwided an important and irreplaceable contributionto the coastal economy. Two main types of site were identified: base camps, which are occupied for extended periods throughout the year; and dinnertime camps, which are small campsites used by people while on foraging day trips away from the main camps (Meehan 1982, 1988). This 'dinnertime' analogy is often used to explain the behaviour associated with small midden sites throughout eastern Australia, but one wonders how many times this analogy can be accurately used. It is tempting to use the analogy in the case of the Anxious Coast sites, but as the descriptions offered earlier indicate, the cultural behaviour and subsistence techniques seem to have more complicated elements. Further, and possibly more relevant information is available from work done in the southwest of Western Australia. This work indicates a situation similar to that recorded on the Eyre Peninsula. In the southwest of Western Australia there is only sparse evidence of Aboriginal coastal occupation. The few middens located on this coast tend to be small, deflated sites dating from the mid- to late Hdocene. Several options have been examined by Dortch, Kendrick and Morse (1984) to explain the absence of midden material. They point out that as sufficient resources were available for Aboriginal exploitation, lack of resources cannot be used to explain the low number of middens. They also consider whether sites may have been destroyed by natural processes, although they do not think this is an adequate explanation. Ethnohistorical information used by them indicates that mollusc resources played only a minor role in the Aboriginal economy. At European contact,Aboriginal people in this area did not eat shellfish. Hcwever, estuarine fishing was both economically and socially important. This activity occurred at the time of the year most suitable for the collection of rockplatform mdluscs, and possibly negated the need for marine shellfishing. Dortch, Kendrick and Morse (1984) proposed that Aboriginal people visited this coast primarily to utilise the rich food resources of the hinterlandrather than the shellfish resources. THE ISSUE This discussion has identified a number d common themes in coastal archaeological studies. As we understand the data, it would seem that the mid-Hdocene sea level stabilization and the subsequent development of a rich and diverse littoral zone provided Aboriginal people with a new resource zone for exploitation. This environmental change provided an opportunity for the development of different subsistence and settlement patterns. Coastal resources, most noticeably the easily cdlected and reliable shellfish, became increasingly exploited. The dependable and abundant resources of the sea enabled population levels to increase and led to the development of a less mobile lifestyle. Population densities were high in coastal areas and semi-sedentary settlements occurred in some areas. The terrestrial resources of the coastal hinterland were still utilized, but were complimented by marine resources. The emphasis was on estuarine and marine foods. A dear distinction between coastal and inland groups existed in some areas. In southern, more temperate areas, coastal occupation generally remained seasonal. Coastal resources, particularly shellfish, provided a reliable food supply to fall back on during periods of resource scaraty. If one draws this information together into a broad pan-Australiansummary the following pattern can be identified. Coastal middens are frequent and extensive along the southern, eastern, and northern coasts d Australia, but are sparse and infrequent along the western and southwestern coasts. Coastal occupation and use of marine resources seem to have intensified during the last 2000 years. The coast prwided a rich and reliable supply d food; at times shellfish were used as a backup resource. Coastal occupation was sometimes seasonal. Coastal occupation typically reflects the presence of large, centralized base camps, and smaller, more mobile foraging camps. The essential ingredients of this pattern are not reflected in the archaeological landscape of the Anxious Coast. Here the occupation could barely be described as intense. The middens are nat common, large or consolidated. The coastal resources do not seem important in the Aboriginal diet These 12 Archaeology on the Anxious Coast differences needto be explained but the explanation itself raisesfurther questions. If, for example, the people of the south and west did not need marine resources, why did the people d the east and north need aWor exploit them so extensMP The implications of questions such as this are likely to be cmplbted, yet may lead to a refinement d our understanding d the role of marine resources in the coastal economy. This is the essentialtheme d w r study. The questions, h e v e r , hint at the need for some reinterpretation d the role of the coast in Aboriginal ecorwxnies more generally. For example, there is some evidence from bath Tasmania and the southwest d Western Australia to suggest that coastal resourceswere only eaoited intensely when dher resources were nd available. Evidence from Princess Charlm Bay and Arnhem Land suggests that shellfish beds were subject to short-term environmental fluduations, indicating that the dependable nature ot this resource should not be assumed categorically. The assumption that the richand dependable resources d the sea led to population increases in southern coastal New South Wales, may be flawed and may need some other social, cultural or technological explanation. . It is within this broader cultural context that the issues relevant to the sites on the Anxious Coest are so interesting. On this coast the fundamental question is: why is there so little evidence of marine exploitation? There may be a series d individual andlor inter-related answers to this. Perhaps the vident oceanic mditions along this cmst preventedAboriginal exploitation of the littoralshores. Perhaps Aborigines were afraid ci sharks. Perhap the shellfish and m r marine resources were so limited that people could not exploit them to an e>ctent that was archaedogically visible. Perhaps preservation conditions are so poor that most of the archaedogical evidence has decayedinthe last 100 years. Perhapsthe absence d sites is relatedto behaviour, maybeAboriginal discard patterns were such that evidence d coastal exploitation is archaedogically Invisible. Perhaps occupation on the west coast was primarily land locked, with only short visii tothe coast each year. Perhaps the coastal dwellers were descendants of a desert tradition, and lived, in effect, with their backs to the coast. Perhaps the reason is demographic. Population levels may have been so low that people did m tax the bounty d their envirorrrnent Maybe people had little r e a m to get their feet wet in the pursuit &food. If there is little evidence d middenmaterial lt may be becausethe Aboriginal people ate very IWe seafood. This contradids the generally accepted view d coastal resources as a reliable food supply, eagerty exploitedbyAboriginalpeople with a taste for seafood adsine. Insteadcoastal resourcesmight only have beenusedwhen populationlevels becametoo high, and the canying capedty d the land was stressedto the point that cuastal resources had to be exploited. This wodd suggest exploitation by necessity, rot choice. All these questions emerge from the evidence presented in this initial reconnaissance paper. They are interesting questions, both as they seek to understand the nature d human occupationalong the Anxious Coast, and as they affect the conventional interpretation of the place d the sea in the traditional economy d Aboriginal people. This paper does not attempt to prwide an answer to these questions at this stage. Instead the questions are presented for consideration. They will be the subject d further fieldwork, analysis and interpretation during the next two years. ACKNOWLEDGEMENTS This paper is based on fieldwork carried out jointly by National Heritage Studies Pty Ltd and the Australian National University. The projed was funded by the Aboriginal HeritageBranch,SouthAustralian Department of Environment and Planning, using a grant from the Australian Heritage Commission. Thanks go to the Department of Environment and Planning for prwiding a vehide for use in the field. In particular the authors would like to thank Bob Ware and Tom Gara for their assistance with the project. 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