Foraging site recursion by forest elephants Elephas maximus borneensis

原文链接:万方

  • 作者:

    Megan ENGLISH,Marc ANCRENAZ,Graeme GILLESPIE,Benoit GOOSSENS,Sen NATHAN,Wayne LINKLATER

  • 摘要:

    Recursion?by?herbivores?is?the?repeated?use?of?the?same?site?or?plants.?Recursion?by?wild?animals?is?rarely?investigated?but?may?be?ubiquitous.?Optimal?foraging?theory?predicts?site?recursion?as?a?function?of?the?quality?of?the?site,?extent?of?its?last?use,?and?time?since?its?last?use?because?these?influence?site?resource?status?and?recovery.?We?used?GPS?collars,?behaviour?and?site?sampling?to?investigate?recursion?to?foraging?sites?for?two?elephant?Elephas?maximus?borneensis?herds?in?the?Lower?Kinabatangan?Wildlife?Sanctuary,?Borneo,?over?a?12?month?period.?Recursion?occurred?to?48?out?of?87?foraging?sites?and?was?most?common?within?48?hours?or?between?151-250?days,?indicating?two?different?types?ofrecursion.?Recursion?was?more?likely?to?occur?if?the?site?had?previously?been?occupied?for?longer.?Moreover,?the?time?spent?at?a?site?at?recursion?was?the?same?as?the?time?spent?at?the?site?on?the?first?occasion.?The?number?of?days?that?had?passed?between?the?first?visit?and?recursion?was?also?positively?correlated?with?how?much?time?was?spent?at?the?site?at?recursion.?Habitat?type?also?influenced?the?intensity?of?site-use,?with?more?time?spent?at?recursion?within?riverine/open?grass?areas?along?forest?margins?compared?to?other?habitat?types.?Recursion?is?a?common?behaviour?used?by?the?elephants?and?its?pattern?suggests?it?may?be?a?foraging?strategy?for?revisiting?areas?of?greater?value.?The?qualities?of?recursion?sites?might?usefully?be?incorporated?into?landscape?management?strategies?for?elephant?conservation?in?the?area?[Current?Zoology?60?(4):?551-559,?2014].

  • 关键词:

    觅食地 亚洲象 递归 巨龟 森林 野生动物保护区 生境类型 重复使用

  • 作者单位:

    Centre for Biodiversity and Restoration Ecology, School of Biological Sciences, New Kirk Building, Kelburn Parade, Kelburn Campus, Victoria University of Wellington, 6012, New Zealand%Hutan Kinabatangan Orangutan Conservation Project and Elephant Conservation Unit, Sukau, Kinabatangan, Sabah, Malaysia%Zoology Department, University of Melbourne, Parkville, Victoria, 3010, Australia%Danau Girang Field Centre, c/o Sabah Wildlife Department, Wisma Muis, 88100 Kota Kinabalu, Sabah, Malaysia%Organisms and Environment Division, School of Biosciences, Cardiff University, Sir Martin Evans Building, Museum Avenue,Cardiff CF10 3AX, UK%Sabah Wildlife Department, Wisma Muis, 88100 Kota Kinabalu, Sabah, Malaysia%Centre for African Conservation Ecology, Nelson Mandela Metropolitan University, Port Elizabeth, South Africa

  • 基金项目:

    Aknowledgements Thank you to Victoria University of Wellington for supporting the study and providing a doctoral scholarship and a completion scholarship for Megan English, and to the Economic Planning Unit and Sabah Wildlife Department for permitting the research in the Lower Kinabatangan Wildlife Sanctuary. Thank you to Sulaiman Ismail from HUTAN Elephant Conservation Unit for helping with data collection and Danau Girang Field Centre and Nurzhafarina Othman for allowing access to the collared elephant data. Thank you to Andrew Hearn from the Bornean Clouded Leopard Programme for use of the map of LKWS. This project was supported by funds to Megan English and Dr Wayne Linklater from Zoos Victoria, Australia.

  • 来源期刊:

    动物学报(英文版)

  • 年,卷(期):

    2014004

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