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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.15044
|2 doi
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|a pubmed24n1022.xml
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|a (DE-627)NLM306633442
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|a (NLM)32069369
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|a DE-627
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|e rakwb
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|a eng
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|a Weeber, Joshua
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Large herbivore conservation in a changing world
|b Surface water provision and adaptability allow wildebeest to persist after collapse of long-range movements
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 29.06.2020
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|a Date Revised 29.06.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2020 John Wiley & Sons Ltd.
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|a Large herbivores, particularly wide-ranging species, are extensively impacted by land use transformation and other anthropogenic barriers to movement. The adaptability of a species is, therefore, crucial to determining whether populations can persist in ever smaller subsets of their historical home ranges. Access to water, by drinking or from forage moisture, is an essential requirement, and surface water provision is thus a long-established, although controversial, conservation practice. In the arid Kgalagadi Transfrontier Park (KTP), South Africa, surface water provision in the 1930s facilitated the establishment of a sedentary wildebeest (Connochaetes taurinus) population in a region historically accessed only in the wet season, via now collapsed long-distance movements. Here, we investigate the behaviour and diet of this wildebeest population, and how these relate to water in the landscape, to better understand the process of transitioning from a mobile to sedentary population. Data from 26 monthly surveys reveal that wildebeest distributions are shaped by water availability and salinity, shade, forage, season and possibly predator detectability. Areas with saline or no water are used predominantly in the wet season when forage moisture is high. Wet season movements beyond the study area mean the timing of wildebeest grazing in these regions matches historical timing. Grass utilization field data suggest that the KTP grazer population experiences forage deficits during the dry season, when ~80% of grass tufts are grazed and C:N and crude protein levels decline. Nonetheless, dung isotope data show that wildebeest meet their crude protein intake requirements during the dry season, likely by consuming unprecedentedly high levels of browse (>33%). While restoring the full historical range and movements of most large herbivore populations is not possible, these findings highlight that understanding the behavioural and dietary adaptability of a species can augment 'next best' efforts to conserve viable populations while home ranges contract
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|a Journal Article
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|a adaptability
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|a census data
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| 650 |
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|a conservation
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| 650 |
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|a diet
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| 650 |
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|a isotope analysis
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| 650 |
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|a land use change
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| 650 |
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|a large herbivore
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| 650 |
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|a migration
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| 650 |
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|a surface water provision
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| 650 |
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4 |
|a wildebeest
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| 650 |
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|a Water
|2 NLM
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| 650 |
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|a 059QF0KO0R
|2 NLM
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| 700 |
1 |
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|a Hempson, Gareth P
|e verfasserin
|4 aut
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| 700 |
1 |
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|a February, Edmund C
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Global change biology
|d 1999
|g 26(2020), 5 vom: 01. Mai, Seite 2841-2853
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
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|g volume:26
|g year:2020
|g number:5
|g day:01
|g month:05
|g pages:2841-2853
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|u http://dx.doi.org/10.1111/gcb.15044
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