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    <p>The record comprises available data on the abundance of <em>Cassia</em> (<em>Senna artemesioides</em>) in an area of 7150 m<sup>2</sup> in the TGB Osborn (Koonamore) Vegetation Reserve (or Koonamore Vegetation Reserve (KVR)) since the early 1940s. Available data cover 26 instances from 1940 to 2014 and include the number of individuals of each species encountered, and their life stage (adult or juvenile).</p> <p><br /> This is version 2.0 of the Koonamore Cassia Corner data release and supersedes any previous versions.</p>

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    <p>There are data from 30 quadrats in the TGB Osborn Vegetation Reserve, varying in size and duration of measurements, several of which are shown in the Reserve map. They range in size from large quadrats (100 x100 m), one 60 x80m, to intermediate (10 x10 m) and small (1x1m and irregular). Most quadrats are inside the reserve but some lie adjacent outside the fenced area.</p> <p>The data from the quadrats is presented in three different files:<br />(a) the abundance (numbers) of individuals of species within the quadrat, <br />(b) a selection of species measured within the quadrat (subplot), and <br />(c) individual plant locations within the quadrats.<br />This is version 2.0 of the Koonamore Vegetation Quadrats Survey data release.</p>

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    In the mid-1920's Professor Theodore George Bentley (TGB) Osborn, Professor of Botany in the University of Adelaide, put forward strong scientific arguments concerning the lack of knowledge of the ecology of arid zone vegetation, and the effect of grazing on it (Osborn, 1925). In 1925 negotiations proceeded between the University of Adelaide and Messrs Hamilton Wilcox Ltd to secure a parcel of land for the purposes of research on Koonamore Station, a sheep-grazing property approximately 400 km north-east of Adelaide. A parcel of land of around 390ha was identified and fenced to exclude rabbits and other stock. The area was originally referred to as the Arid Region Flora Reserve but later was named the TGB Osborn Vegetation Reserve after its founder. For simplicity it is commonly referred to as the Koonamore Vegetation Reserve. <br></br> <p>This record is a collection of flora and fauna observations conducted in the TGB Osborn Vegetation Reserve (or Koonamore Vegetation Reserve). </p> <br></br>These records are organised accordingly :<ul style="list-style-type: disc;"> <li><a href="https://portal.tern.org.au/metadata/TERN/90a26f3a-cf42-41e5-ada4-9b0166b15b09">Vegetation Quadrats</a></li> <li> <a href="https://portal.tern.org.au/metadata/TERN/05f37d50-935e-4a0a-b45e-cb1b606ce476">Photopoints</a></li> <li> <a href="https://portal.tern.org.au/metadata/TERN/c593e881-ddb4-408a-ba5d-6a5f9d258b39"><em>Cassia</em> Corner</a></li> <li><a href="https://portal.tern.org.au/metadata/TERN/aff278df-c8e8-41ab-b22e-66ea7d466169"><em>Myoporum platycarpum</em> plant individuals</a> </li> <li><a href="https://portal.tern.org.au/metadata/TERN/615b121a-3c4f-41b5-90f6-1b7e95ce7a9d">Saltbush Transects</a></li> <li><a href="https://portal.tern.org.au/metadata/TERN/d3e676a3-bf84-439f-ae99-0ce631ec6d64">Senna Populations</a></li> <li><a href="https://portal.tern.org.au/metadata/TERN/dfe1b721-19c1-4f88-91c3-23f438c6f531">Kangaroo Transects</a></li> <li><a href="https://portal.tern.org.au/metadata/TERN/e6448738-d870-432d-9795-955c90f6ee6e">Rabbit Warren Monitoring</a> </li>