Grazing Exclusion Experiment
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<p>In 1997, many very young <em>Senna</em> seedlings were noticed in the Cassia corner and outside the northern boundary fence. To study the effects of grazing on these seedlings outside the reserve, three populations were identified and measured to the north of the fence, and a fourth population just south of the fence in the Reserve, not otherwise enclosed. </p> <p>Two of the outside populations were enclosed in triangular fences, one with sheep netting to protect from grazing by sheep, the other with both sheep and rabbit netting to protect against both sheep and rabbits. A third population was left unprotected. The population inside the Reserve was assumed to be protected from all grazing by the Reserve fence. The aim was to follow the fates of the original cohort. </p> <p>This is version 2.0 of the Koonamore Senna Population 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>
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