Works by Wittmer, Heiko U.

Results: 64

Standardizing protocols for determining the cause of mortality in wildlife studies.

Published in:

Ecology & Evolution (20457758), 2022, v. 12, n. 6, p. 1, doi. 10.1002/ece3.9034

By:

Cristescu, Bogdan;
Elbroch, L. Mark;
Forrester, Tavis D.;
Allen, Maximilian L.;
Spitz, Derek B.;
Wilmers, Christopher C.;
Wittmer, Heiko U.

Publication type:

Article

Vital rates of two small populations of brown bears in Canada and range‐wide relationship between population size and trend.

Published in:

Ecology & Evolution (20457758), 2021, v. 11, n. 7, p. 3422, doi. 10.1002/ece3.7301

By:

McLellan, Michelle L.;
McLellan, Bruce N.;
Sollmann, Rahel;
Wittmer, Heiko U.

Publication type:

Article

Multiple anthropogenic interventions drive puma survival following wolf recovery in the Greater Yellowstone Ecosystem.

Published in:

Ecology & Evolution (20457758), 2018, v. 8, n. 14, p. 7236, doi. 10.1002/ece3.4264

By:

Elbroch, L. Mark;
Marescot, Lucile;
Quigley, Howard;
Craighead, Derek;
Wittmer, Heiko U.

Publication type:

Article

Understanding contributions of cohort effects to growth rates of fluctuating populations.

Published in:

Journal of Animal Ecology, 2007, v. 76, n. 5, p. 946, doi. 10.1111/j.1365-2656.2007.01274.x

By:

WITTMER, HEIKO U.;
POWELL, ROGER A.;
KING, CAROLYN M.

Publication type:

Article

Changes in landscape composition influence the decline of a threatened woodland caribou population.

Published in:

Journal of Animal Ecology, 2007, v. 76, n. 3, p. 568, doi. 10.1111/j.1365-2656.2007.01220.x

By:

WITTMER, HEIKO U.;
MCLELLAN, BRUCE N.;
SERROUYA, ROBERT;
APPS, CLAYTON D.

Publication type:

Article

Analyses of phenotypic differentiations among South Georgian Diving Petrel (Pelecanoides georgicus) populations reveal an undescribed and highly endangered species from New Zealand.

Published in:

PLoS ONE, 2018, v. 13, n. 6, p. 1, doi. 10.1371/journal.pone.0197766

By:

Fischer, Johannes H.;
Debski, Igor;
Miskelly, Colin M.;
Bost, Charles A.;
Fromant, Aymeric;
Tennyson, Alan J. D.;
Tessler, Jake;
Cole, Rosalind;
Hiscock, Johanna H.;
Taylor, Graeme A.;
Wittmer, Heiko U.

Publication type:

Article

Mountain Lion Predation on Mule and Black-tailed Deer: A Perspective on The Complex Impacts of An Iconic Predator.

Published in:

Canadian Wildlife Biology & Management (CWBM), 2024, v. 13, n. 2, p. 27

By:

FORRESTER, Tavis D.;
WITTMER, Heiko U.

Publication type:

Article

Season, prey availability, sex, and age explain prey size selection in a large solitary carnivore.

Published in:

Ecology & Evolution (20457758), 2024, v. 14, n. 3, p. 1, doi. 10.1002/ece3.11080

By:

Bates‐Mundell, Logan;
Williams, Sara H.;
Sager‐Fradkin, Kim;
Wittmer, Heiko U.;
Allen, Maximilian L.;
Cristescu, Bogdan;
Wilmers, Christopher C.;
Elbroch, L. Mark

Publication type:

Article

INCIPIENT LOSS OF A RAINFOREST MUTUALISM?

Published in:

Journal of Threatened Taxa, 2017, v. 9, n. 1, p. 9734, doi. 10.11609/jott.2890.9.1.9734-9737

By:

Fischer, Johannes H.;
Wittmer, Heiko U.;
Setiawan, Endro;
Jaffe, Sarah;
Marshall, Andrew J.

Publication type:

Article

Trophic Facilitation or Limitation? Comparative Effects of Pumas and Black Bears on the Scavenger Community.

Published in:

PLoS ONE, 2014, v. 9, n. 7, p. 1, doi. 10.1371/journal.pone.0102257

By:

Allen, Maximilian L.;
Elbroch, L. Mark;
Wilmers, Christopher C.;
Wittmer, Heiko U.

Publication type:

Article

Nuisance Ecology: Do Scavenging Condors Exact Foraging Costs on Pumas in Patagonia?

Published in:

PLoS ONE, 2013, v. 8, n. 1, p. 1, doi. 10.1371/journal.pone.0053595

By:

Elbroch, L. Mark;
Wittmer, Heiko U.

Publication type:

Article

The role of predation in the decline and extirpation of woodland caribou.

Published in:

Oecologia, 2005, v. 144, n. 2, p. 257, doi. 10.1007/s00442-005-0055-y

By:

Wittmer, Heiko U.;
Sinclair, Anthony R. E.;
McLellan, Bruce N.;
Fryxell, John

Publication type:

Article

Nest site selection of South Georgia Diving-petrels <italic>Pelecanoides georgicus</italic> on Codfish Island, New Zealand: implications for conservation management.

Published in:

Bird Conservation International, 2018, v. 28, n. 2, p. 216, doi. 10.1017/S0959270917000041

By:

FISCHER, JOHANNES H.;
DEBSKI, IGOR;
TAYLOR, GRAEME A.;
WITTMER, HEIKO U.

Publication type:

Article

Landscape-wide pulse events predict trait-based responses among wetland birds in perennial channels of a dryland wetland.

Published in:

Ecological Applications, 2024, v. 34, n. 2, p. 1, doi. 10.1002/eap.2931

By:

Becker, Frowin K.;
Boyes, Rutledge S.;
Wittmer, Heiko U.;
Inman, Victoria;
Marsland, Stephen

Publication type:

Article

Sounding out a continent: seven decades of bioacoustics research in Africa.

Published in:

Bioacoustics, 2022, v. 31, n. 6, p. 646, doi. 10.1080/09524622.2021.2021987

By:

Becker, Frowin K.;
Shabangu, Fannie W.;
Gridley, Tess;
Wittmer, Heiko U.;
Marsland, Stephen

Publication type:

Article

Scent marking in Sunda clouded leopards (Neofelis diardi): novel observations close a key gap in understanding felid communication behaviours.

Published in:

Scientific Reports, 2016, p. 35433, doi. 10.1038/srep35433

By:

Allen, Maximilian L.;
Wittmer, Heiko U.;
Setiawan, Endro;
Jaffe, Sarah;
Marshall, Andrew J.

Publication type:

Article

Preparing for translocations of a Critically Endangered petrel through targeted monitoring of nest survival and breeding biology.

Published in:

Oryx, 2021, v. 55, n. 4, p. 564, doi. 10.1017/S0030605320000794

By:

Fischer, Johannes H.;
Wittmer, Heiko U.;
Taylor, Graeme A.;
Debski, Igor;
Armstrong, Doug P.

Publication type:

Article

Good intentions gone wrong: did conservation management threaten Endangered huemul deer Hippocamelus bisulcus in the future Patagonia National Park?

Published in:

Oryx, 2013, v. 47, n. 3, p. 393, doi. 10.1017/S0030605312000531

By:

Wittmer, Heiko U.;
Elbroch, L. Mark;
Marshall, Andrew J.

Publication type:

Article

Learning to count: adapting population monitoring for Endangered huemul deer Hippocamelus bisulcus to meet conservation objectives.

Published in:

Oryx, 2010, v. 44, n. 4, p. 516, doi. 10.1017/S0030605310001018

By:

Wittmer, Heiko U.;
Corti, Paulo;
Saucedo, Cristián;
Galaz, José Luis

Publication type:

Article

A Functional Response in Resource Selection Links Multiscale Responses of a Large Carnivore to Human Mortality Risk.

Published in:

Ecology Letters, 2025, v. 28, n. 1, p. 1, doi. 10.1111/ele.70035

By:

Dougherty, Kyle D.;
Dellinger, Justin A.;
Cristescu, Bogdan;
Gammons, Daniel J.;
Garcelon, David K.;
Higley, J. Mark;
Martins, Quinton E.;
Riley, Seth P. D.;
Sikich, Jeff A.;
Stephenson, Thomas R.;
Vickers, T. Winston;
Wengert, Greta M.;
Wilmers, Christopher C.;
Wittmer, Heiko U.;
Benson, John F.

Publication type:

Article

Modelling three‐dimensional space to design prey refuges using video game software.

Published in:

Ecosphere, 2021, v. 12, n. 1, p. 1, doi. 10.1002/ecs2.3321

By:

Lennon, Ox;
Wittmer, Heiko U.;
Nelson, Nicola J.

Publication type:

Article

A Preliminary Range-Wide Distribution Model for the Sacramento Valley Red Fox.

Published in:

Journal of Fish & Wildlife Management, 2017, v. 8, n. 1, p. 28, doi. 10.3996/072016-JFWM-057

By:

Sacks, Benjamin N.;
Statham, Mark J.;
Wittmer, Heiko U.

Publication type:

Article

Food caching by a solitary large carnivore reveals importance of intermediate-sized prey.

Published in:

Journal of Mammalogy, 2023, v. 104, n. 3, p. 457, doi. 10.1093/jmammal/gyad013

By:

Allen, Maximilian L;
Elbroch, L Mark;
Bauder, Javan M;
Wittmer, Heiko U

Publication type:

Article

Reproductive parameters of the fisher (Pekania pennanti) in the southern Sierra Nevada, California.

Published in:

Journal of Mammalogy, 2018, v. 99, n. 3, p. 537, doi. 10.1093/jmammal/gyy040

By:

Green, Rebecca E.;
Purcell, Kathryn L.;
Thompson, Craig M.;
Kelt, Douglas A.;
Wittmer, Heiko U.

Publication type:

Article

The effects of puma prey selection and specialization on less abundant prey in Patagonia.

Published in:

Journal of Mammalogy, 2013, v. 94, n. 2, p. 259, doi. 10.1644/12-MAMM-A-041.1

By:

ELBROCH, L. MARK;
WITTMER, HEIKO U.

Publication type:

Article

ALLEE EFFECTS IN ECOLOGY AND CONSERVATION.

Published in:

2010

By:

WITTMER, HEIKO U.

Publication type:

Book Review

Dynamics of a small population of endangered huemul deer (Hippocamelus bisulcus) in Chilean Patagonia.

Published in:

Journal of Mammalogy, 2010, v. 91, n. 3, p. 690, doi. 10.1644/09-MAMM-A-047.1

By:

CORTI, PAULO;
WITTMER, HEIKO U.;
FESTA-BIANCHET, MARCO

Publication type:

Article

Predator occurrence and perceived predation risk determine grouping behavior in guanaco (<italic>Lama guanicoe</italic>).

Published in:

Ethology, 2018, v. 124, n. 5, p. 281, doi. 10.1111/eth.12727

By:

Iranzo, Esperanza C.;
Wittmer, Heiko U.;
Traba, Juan;
Acebes, Pablo;
Mata, Cristina;
Malo, Juan E.

Publication type:

Article

Impacts of abiotic and biotic factors on terrestrial leeches in Indonesian Borneo.

Published in:

Biotropica, 2022, v. 54, n. 5, p. 1238, doi. 10.1111/btp.13146

By:

Nelaballi, Swapna;
Finkel, Benjamin J.;
Bernard, Andrew B.;
Estrada, Gene R.;
Setiawan, Endro;
Setia, Tatang Mitra;
Susanto, Tri Wahyu;
Rhanda, Raden;
Surya;
Jakaria;
Andika, Dika;
Lemoine, Sylvain;
Jaffe, Sarah M.;
Barrow, Elizabeth J.;
Justinek, Živa;
Wittmer, Heiko U.;
Marshall, Andrew J.

Publication type:

Article

Mesocarnivores vary in their spatiotemporal avoidance strategies at communications hubs of an apex carnivore.

Published in:

Oecologia, 2024, v. 204, n. 4, p. 805, doi. 10.1007/s00442-024-05541-y

By:

Allen, Maximilian L.;
Avrin, Alexandra C.;
Wittmer, Heiko U.;
Wang, Yiwei;
Wilmers, Christopher C.

Publication type:

Article

Biotic and abiotic drivers of dispersion dynamics in a large-bodied tropical vertebrate, the Western Bornean orangutan.

Published in:

Oecologia, 2021, v. 196, n. 3, p. 707, doi. 10.1007/s00442-021-04964-1

By:

Marshall, Andrew J.;
Farr, Matthew T.;
Beaudrot, Lydia;
Zipkin, Elise F.;
Feilen, Katie L.;
Bell, Loren G.;
Setiawan, Endro;
Susanto, Tri Wahyu;
Mitra Setia, Tatang;
Leighton, Mark;
Wittmer, Heiko U.

Publication type:

Article

Machine learning allows for large-scale habitat prediction of a wide-ranging carnivore across diverse ecoregions.

Published in:

Landscape Ecology, 2024, v. 39, n. 5, p. 1, doi. 10.1007/s10980-024-01903-2

By:

O’Malley, W. Connor;
Elbroch, L. Mark;
Zeller, Katherine A.;
Beier, Paul;
Beale, Meghan M.;
Beausoleil, Richard A.;
Kertson, Brian;
Knopff, Kyle;
Kunkel, Kryan;
Maletzke, Benjamin T.;
Martins, Quinton;
Matchett, Marc R.;
Wilmers, Christopher C.;
Wittmer, Heiko U.;
Vickers, Winston;
Sager-Fradkin, Kimberly;
Robinson, Hugh

Publication type:

Article

Encounter Competition between a Cougar, Puma concolor, and a Western Spotted Skunk, Spilogale gracilis.

Published in:

Canadian Field-Naturalist, 2013, v. 127, n. 1, p. 64, doi. 10.22621/cfn.v127i1.1410

By:

ALLEN, MAXIMILIAN L.;
ELBROCH, L. MARK;
WITTMER, HEIKO U.

Publication type:

Article

The importance of motivation, weapons, and foul odors in driving encounter competition in carnivores.

Published in:

Ecology, 2016, v. 97, n. 8, p. 1905, doi. 10.1002/ecy.1462

By:

ALLEN, MAXIMILIAN L.;
WILMERS, CHRISTOPHER C.;
ELBROCH, L. MARK;
GOLLA, JULIE M.;
WITTMER, HEIKO U.

Publication type:

Article

Predator-mediated Allee effects in multi-prey systems.

Published in:

Ecology, 2010, v. 91, n. 1, p. 286, doi. 10.1890/09-0286.1

By:

McLellan, Bruce N.;
Serrouya, Robert;
Wittmer, Heiko U.;
Boutin, Stan

Publication type:

Article

MORE THAN JUST GOATS.

Published in:

2008

By:

WITTMER, HEIKO U.

Publication type:

Book Review

Conservation Strategies for Species Affected by Apparent Competition.

Published in:

Conservation Biology, 2013, v. 27, n. 2, p. 254, doi. 10.1111/cobi.12005

By:

WITTMER, HEIKO U.;
SERROUYA, ROBERT;
ELBROCH, L. MARK;
MARSHALL, ANDREW J.

Publication type:

Article

Imminent Extinctions of Woodland Caribou from National Parks.

Published in:

2010

By:

Serrouya, Robert;
Wittmer, Heiko U.

Publication type:

Letter

The Role of Scent Marking in Mate Selection by Female Pumas (Puma concolor).

Published in:

PLoS ONE, 2015, v. 10, n. 10, p. 1, doi. 10.1371/journal.pone.0139087

By:

Allen, Maximilian L.;
Wittmer, Heiko U.;
Houghtaling, Paul;
Smith, Justine;
Elbroch, L. Mark;
Wilmers, Christopher C.

Publication type:

Article

Food caching by bears: A literature review and new observations for Asiatic and American black bears.

Published in:

Ursus, 2021, v. 2021, n. 32e10, p. 1, doi. 10.2192/URSUS-D-20-00008.1

By:

Allen, Maximilian L.;
Wittmer, Heiko U.;
Akino Ingaki;
Koji Yamazaki;
Shinsuke Koike

Publication type:

Article

Consistent offshore artificial light at night near the last breeding colony of a critically endangered seabird.

Published in:

Conservation Science & Practice, 2021, v. 3, n. 9, p. 1, doi. 10.1111/csp2.481

By:

Fischer, Johannes H.;
Debski, Igor;
Taylor, Graeme A.;
Wittmer, Heiko U.

Publication type:

Article

Monitoring the mammalian fauna of urban areas using remote cameras and citizen science.

Published in:

Journal of Urban Ecology, 2018, v. 4, n. 1, p. 1, doi. 10.1093/jue/juy002

By:

Anton, Victor;
Hartley, Stephen;
Geldenhuis, Andre;
Wittmer, Heiko U

Publication type:

Article

Consistent seasonal foraging niche segregation between critically endangered Whenua Hou Diving Petrels and abundant Common Diving Petrels.

Published in:

Ibis (0019-1019), 2023, v. 165, n. 3, p. 890, doi. 10.1111/ibi.13170

By:

Tocker, Grace E.;
Fischer, Johannes H.;
Bustamante, Paco;
Guillou, Gaël;
Debski, Igor;
Taylor, Graeme A.;
Ritchie, Peter A.;
Wittmer, Heiko U.

Publication type:

Article

Predicting harvest impact and establishment success when translocating highly mobile and endangered species.

Published in:

Journal of Applied Ecology, 2022, v. 59, n. 8, p. 2071, doi. 10.1111/1365-2664.14219

By:

Fischer, Johannes H.;
Wittmer, Heiko U.;
Kenup, Caio F.;
Parker, Kevin A.;
Cole, Rosalind;
Debski, Igor;
Taylor, Graeme A.;
Ewen, John G.;
Armstrong, Doug P.

Publication type:

Article

Predator identity and forage availability affect predation risk of juvenile black-tailed deer.

Published in:

Wildlife Biology, 2020, v. 2019, n. 1, p. N.PAG, doi. 10.2981/wlb.00510

By:

Forrester, Tavis D.;
Wittmer, Heiko U.

Publication type:

Article

Predator identity and forage availability affect predation risk of juvenile black-tailed deer.

Published in:

Wildlife Biology, 2019, v. 2019, p. 1, doi. 10.2981/wlb.00510

By:

Forrester, Tavis D.;
Wittmer, Heiko U.

Publication type:

Article

Common Biases in Density Estimation Based on Home Range Overlap with Reference to Pumas in Patagonia.

Published in:

Wildlife Biology, 2014, v. 20, n. 1, p. 19, doi. 10.2981/wlb.12100

By:

Rinehart, Kurt A.;
Elbroch, L. Mark;
Wittmer, Heiko U.

Publication type:

Article

Trailing hounds vs foot snares: comparing injuries to pumas Puma concolor captured in Chilean Patagonia.

Published in:

Wildlife Biology, 2013, v. 19, n. 2, p. 210, doi. 10.2981/12-114

By:

Elbroch, L. Mark;
Jansen, Brian D.;
Grigione, Melissa M.;
Sarno, Ronald J.;
Wittmer, Heiko U.

Publication type:

Article

Factors influencing variation in site fidelity of woodland caribou (Rangifer tarandus caribou) in southeastern British Columbia.

Published in:

Canadian Journal of Zoology, 2006, v. 84, n. 4, p. 537, doi. 10.1139/Z06-026

By:

Wittmer, Heiko U.;
McLellan, Bruce N.;
Hovey, Frederick W.

Publication type:

Article

Population dynamics of the endangered mountain ecotype of woodland caribou (Rangifer tarandus caribou) in British Columbia, Canada.

Published in:

Canadian Journal of Zoology, 2005, v. 83, n. 3, p. 407, doi. 10.1139/Z05-034

By:

Wittmer, Heiko U.;
McLellan, Bruce N.;
Seip, Dale R.;
Young, James A.;
Kinley, Trevor A.;
Watts, Glen S.;
Hamilton, Dennis

Publication type:

Article