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Wildlife habitat preference

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https://www.readbyqxmd.com/read/29134147/anthropogenic-water-sources-and-the-effects-on-sonoran-desert-small-mammal-communities
#1
Aaron B Switalski, Heather L Bateman
Anthropogenic water sources (AWS) are developed water sources used as a management tool for desert wildlife species. Studies documenting the effects of AWS are often focused on game species; whereas, the effects on non-target wildlife are less understood. We used live trapping techniques to investigate rodent abundance, biomass, and diversity metrics near AWS and paired control sites; we sampled vegetation to determine rodent-habitat associations in the Sauceda Mountains of the Sonoran Desert in Arizona. A total of 370 individual mammals representing three genera and eight species were captured in 4,800 trap nights from winter 2011 to spring 2012...
2017: PeerJ
https://www.readbyqxmd.com/read/29029220/effects-of-host-traits-and-land-use-changes-on-the-gut-microbiota-of-the-namibian-black-backed-jackal-canis-mesomelas
#2
Sebastian Menke, Matthias Meier, John K E Mfune, Joerg Melzheimer, Bettina Wachter, Simone Sommer
Host traits and environmental factors drive the natural variation in gut microbiota, and disruption in homeostasis can cause infections and chronic diseases. African wildlife is increasingly facing human-induced agricultural habitats, which also amplifies the contact probability with livestock with unknown consequences for wildlife gut microbiotas and the risk of transmission of potentially pathogenic bacteria. We applied high-throughput sequencing of bacterial 16S rRNA genes and microsatellite genotyping to investigate the impact of host traits and habitat use on the gut microbiotas of black-backed jackals (Canis mesomelas)...
November 1, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28982077/urban-wild-boars-prefer-fragmented-areas-with-food-resources-near-natural-corridors
#3
Raquel Castillo-Contreras, João Carvalho, Emmanuel Serrano, Gregorio Mentaberre, Xavier Fernández-Aguilar, Andreu Colom, Carlos González-Crespo, Santiago Lavín, Jorge R López-Olvera
Wild boar populations are expanding throughout the world and intruding into periurban and urban areas. In the last years, wild boar has colonized several European cities, including our study area, the city of Barcelona. It is required to identify the main factors driving wild boar into urban areas prior to establish management measures. We built Boosted Regression Trees (BRT) using 3148 wild boar presences registered in the urban area of Barcelona from 2010 to 2014 to identify the variables correlated with these presences...
February 15, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/28948386/small-scale-variability-in-a-mosaic-tropical-rainforest-influences-habitat-use-of-long-tailed-macaques
#4
John Chih Mun Sha, Siew Chin Chua, Ping Ting Chew, Hassan Ibrahim, Hock Keong Lua, Tze Kwan Fung, Peng Zhang
Pristine habitats have generally been considered to be the most important ecological resource for wildlife conservation, but due to forest degradation caused by human activities, mosaics of secondary forests have become increasingly prominent. We studied three forest types in a mosaic tropical forest consisting of short secondary forest (SS), tall secondary forest (TS) and freshwater swamp forest (SF). These forests differed in stand structure and floristic composition, as well as phenological productivity of fruits, flowers and young leaves...
September 25, 2017: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/28946000/songbird-response-to-rest-rotation-and-season-long-cattle-grazing-in-a-grassland-sagebrush-ecosystem
#5
Jessie D Golding, Victoria J Dreitz
Grazing on natural rangelands, which are areas dominated by native vegetation that are used for livestock grazing, can achieve desired vegetation outcomes, preserve native habitat, and economically benefit multiple stakeholders. It is a powerful tool that can be manipulated to reduce wildlife declines and benefit ecosystems. However, the benefits of conservation grazing systems on many wildlife communities remain relatively unexplored. We compared songbird communities between two grazing systems in eastern Montana: rest-rotation, which is a conservation grazing system, and season-long...
December 15, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28929570/impacts-of-human-induced-environmental-change-in-wetlands-on-aquatic-animals
#6
Michael Sievers, Robin Hale, Kirsten M Parris, Stephen E Swearer
Many wetlands harbour highly diverse biological communities and provide extensive ecosystem services; however, these important ecological features are being altered, degraded and destroyed around the world. Despite a wealth of research on how animals respond to anthropogenic changes to natural wetlands and how they use created wetlands, we lack a broad synthesis of these data. While some altered wetlands may provide vital habitat, others could pose a considerable risk to wildlife. This risk will be heightened if such wetlands are ecological traps - preferred habitats that confer lower fitness than another available habitat...
September 19, 2017: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/28894949/diet-and-feeding-ecology-of-the-western-hoolock-gibbon-hoolock-hoolock-in-a-tropical-forest-fragment-of-northeast-india
#7
Mrigakhi Borah, Ashalata Devi, Awadhesh Kumar
Forest fragmentation alters plant species diversity and composition, and causes diverse affects on the feeding behavior of wild primates. We investigated the feeding behavior and diet of two groups of western hoolock gibbon (Hoolock hoolock) inhabiting a small isolated forest patch (21 km(2)) in Hollongapar Gibbon Wildlife Sanctuary, Assam, Northeast India, over a year using focal animal sampling. H. hoolock adults spent, on average, 35.2% of their total annual activity budget on feeding, and fed on young leaves, mature leaves, flowers, fruits, petioles, buds and also on animal matter...
September 11, 2017: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/28831537/factors-affecting-public-preferences-for-grassland-landscape-heterogeneity-in-the-great-plains
#8
Omkar Joshi, Terrie A Becerra, David M Engle, Samuel D Fuhlendorf, R Dwayne Elmore
Agricultural intensification has fragmented rangelands in the Great Plains, which has contributed to uniform and homogeneous landscapes and decreased biodiversity. Alternative land management practices involving fire-grazing interactions can help maintain biodiversity without affecting livestock productivity. A survey was designed to understand the factors that influence preferences among the general population towards grassland landscape heterogeneity. Given the ordinal nature of survey responses, requisite data were analyzed using a generalized ordinal logit model...
November 2017: Environmental Management
https://www.readbyqxmd.com/read/28771566/bridging-gaps-on-the-performance-of-airborne-lidar-to-model-wood-mouse-habitat-structure-relationships-in-pine-forests
#9
Carlos Jaime-González, Pablo Acebes, Ana Mateos, Eduardo T Mezquida
LiDAR technology has firmly contributed to strengthen the knowledge of habitat structure-wildlife relationships, though there is an evident bias towards flying vertebrates. To bridge this gap, we investigated and compared the performance of LiDAR and field data to model habitat preferences of wood mouse (Apodemus sylvaticus) in a Mediterranean high mountain pine forest (Pinus sylvestris). We recorded nine field and 13 LiDAR variables that were summarized by means of Principal Component Analyses (PCA). We then analyzed wood mouse's habitat preferences using three different models based on: (i) field PCs predictors, (ii) LiDAR PCs predictors; and (iii) both set of predictors in a combined model, including a variance partitioning analysis...
2017: PloS One
https://www.readbyqxmd.com/read/28733592/machine-learning-model-analysis-of-breeding-habitats-for-the-black-necked-crane-in-central-asian-uplands-under-anthropogenic-pressures
#10
Xuesong Han, Yumin Guo, Chunrong Mi, Falk Huettmann, Lijia Wen
The black-necked crane (Grus nigricollis) is the only alpine crane species and is endemic to the Tibetan Plateau. The breeding habitats of this species are poorly understood, which greatly hampers practical research and conservation work. Using machine learning methods and the best-available data from our 7,000-kilometer mega-transect survey and open access data, we built the first species distribution model (SDM) to analyze the black-necked crane's breeding habitats. Our model showed that current conservation gaps account for 26...
July 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28551745/diversity-and-activity-patterns-of-sympatric-animals-among-four-types-of-forest-habitat-in-guanyinshan-nature-reserve-in-the-qinling-mountains-china
#11
Xuehua Liu, Pengfeng Wu, Xiaoming Shao, Melissa Songer, Qiong Cai, Xiangbo He, Yun Zhu
Environmental heterogeneity contributes to various habitats and may influence the diversity and activity patterns of wildlife among habitats. We used camera traps to assess wildlife habitat use in Guanyinshan Nature Reserve from 2009 to 2012. We focused on four types of habitat including open areas with gentle slope (<15°) (Type1), low elevation areas (about 1500-1700 m) with high bamboo coverage (Type2), high elevation areas (about 2100-2300 m) with high canopy coverage (Type3), and wildlife migration passages (Type4)...
July 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28500361/-live-animals-and-staged-nature-drawing-and-photography-in-german-popular-zoology-between-1860-and-1910
#12
Alexander Gall
It is the central thesis of this paper that the "biological perspective" (Lynn Nyhart) typical for Germany, with its interest in living animals, not only influenced natural history practices in many ways during the second half of the 19th century, rather also shaped the illustrations of popular zoology publications, as for example those in Brehms Thierleben. The illustrators of this period preferred to use live animals as models, which they studied in zoos. These animals were often depicted in their "natural" habitats...
May 12, 2017: NTM
https://www.readbyqxmd.com/read/28146570/temporal-and-spatial-scales-matter-circannual-habitat-selection-by-bird-communities-in-vineyards
#13
Claire Guyot, Raphaël Arlettaz, Pius Korner, Alain Jacot
Vineyards are likely to be regionally important for wildlife, but we lack biodiversity studies in this agroecosystem which is undergoing a rapid management revolution. As vine cultivation is restricted to arid and warm climatic regions, biodiversity-friendly management would promote species typical of southern biomes. Vineyards are often intensively cultivated, mostly surrounded by few natural features and offering a fairly mineral appearance with little ground vegetation cover. Ground vegetation cover and composition may further strongly vary with respect to season, influencing patterns of habitat selection by ecological communities...
2017: PloS One
https://www.readbyqxmd.com/read/28030570/an-assessment-of-the-population-of-cotton-top-tamarins-saguinus-oedipus-and-their-habitat-in-colombia
#14
Anne Savage, Len Thomas, Katie L Feilen, Darren Kidney, Luis H Soto, Mackenzie Pearson, Felix S Medina, German Emeris, Rosamira R Guillen
Numerous animals have declining populations due to habitat loss, illegal wildlife trade, and climate change. The cotton-top tamarin (Saguinus oedipus) is a Critically Endangered primate species, endemic to northwest Colombia, threatened by deforestation and illegal trade. In order to assess the current state of this species, we analyzed changes in the population of cotton-top tamarins and its habitat from 2005 to 2012. We used a tailor-made "lure strip transect" method to survey 43 accessible forest parcels that represent 30% of the species' range...
2016: PloS One
https://www.readbyqxmd.com/read/27889926/nutritional-ecology-of-wild-bornean-orangutans-pongo-pygmaeus-wurmbii-in-a-peat-swamp-habitat-effects-of-age-sex-and-season
#15
Erin R Vogel, Shauhin E Alavi, Sri Suci Utami-Atmoko, Maria A van Noordwijk, Timothy D Bransford, Wendy M Erb, Astri Zulfa, Fransiska Sulistyo, Wartika Rosa Farida, Jessica M Rothman
The spatial and temporal variation in food abundance has strong effects on wildlife feeding and nutrition. This variation is exemplified by the peatland forests of Central Kalimantan, which are characterized by unpredictable fruiting fluctuations, relatively low levels of fruit availability, and low fruit periods (<3% of trees fruiting) that can last nearly a year. Challenged by these environments, large, arboreal frugivores like orangutans must periodically rely on non-preferred, lower-quality foods to meet their nutritional needs...
April 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/27855704/feeding-preferences-of-the-asian-elephant-elephas-maximus-in-nepal
#16
Raj Kumar Koirala, David Raubenheimer, Achyut Aryal, Mitra Lal Pathak, Weihong Ji
BACKGROUND: Nepal provides habitat for approximately 100-125 wild Asian elephants (Elephas maximus). Although a small proportion of the world population of this species, this group is important for maintaining the genetic diversity of elephants and conservation of biodiversity in this region. Knowledge of foraging patterns of these animals, which is important for understanding their habitat requirements and for assessing their habitat condition, is lacking for the main areas populated by elephants in Nepal...
November 17, 2016: BMC Ecology
https://www.readbyqxmd.com/read/27848157/competition-for-dead-trees-between-humans-and-aye-ayes-daubentonia-madagascariensis-in-central-eastern-madagascar
#17
Rose T Miller, Jean-Luc Raharison, Mitchell T Irwin
The destruction and degradation of forest habitats are major threats to the sustainability of lemur populations in Madagascar. Madagascan landscapes often contain forest fragments that represent refuges for native fauna, while also being used for firewood and timber by local human populations. As undisturbed forest becomes increasingly scarce, understanding resource competition between humans and wildlife in disturbed habitats will be increasingly important. We tested the hypothesis that Malagasy and aye-ayes (Daubentonia madagascariensis) compete for the limited number of dead trees in rainforest fragments at Tsinjoarivo, Madagascar...
April 2017: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/27612946/crop-diversity-loss-as-primary-cause-of-grey-partridge-and-common-pheasant-decline-in-lower-saxony-germany
#18
Katrin Ronnenberg, Egbert Strauß, Ursula Siebert
BACKGROUND: The grey partridge (Perdix perdix) and the common pheasant (Phasianus colchicus) are galliform birds typical of arable lands in Central Europe and exhibit a partly dramatic negative population trend. In order to understand general habitat preferences we modelled grey partridge and common pheasant densities over the entire range of Lower Saxony. Spatially explicit developments in bird densities were modelled using spatially explicit trends of crop cultivation. Pheasant and grey partridge densities counted annually by over 8000 hunting district holders over 10 years in a range of 3...
September 9, 2016: BMC Ecology
https://www.readbyqxmd.com/read/27416020/dna-metabarcoding-reveals-diet-overlap-between-the-endangered-walia-ibex-and-domestic-goats-implications-for-conservation
#19
Berihun Gebremedhin, Øystein Flagstad, Afework Bekele, Desalegn Chala, Vegar Bakkestuen, Sanne Boessenkool, Magnus Popp, Galina Gussarova, Audun Schrøder-Nielsen, Sileshi Nemomissa, Christian Brochmann, Nils Chr Stenseth, Laura S Epp
Human population expansion and associated degradation of the habitat of many wildlife species cause loss of biodiversity and species extinctions. The small Simen Mountains National Park in Ethiopia is one of the last strongholds for the preservation of a number of afro-alpine mammals, plants and birds, and it is home to the rare endemic Walia ibex, Capra walie. The narrow distribution range of this species as well as potential competition for resources with livestock, especially with domestic goat, Capra hircus, may compromise its future survival...
2016: PloS One
https://www.readbyqxmd.com/read/27388293/mosquito-communities-and-disease-risk-influenced-by-land-use-change-and-seasonality-in-the-australian-tropics
#20
Dagmar B Meyer Steiger, Scott A Ritchie, Susan G W Laurance
BACKGROUND: Anthropogenic land use changes have contributed considerably to the rise of emerging and re-emerging mosquito-borne diseases. These diseases appear to be increasing as a result of the novel juxtapositions of habitats and species that can result in new interchanges of vectors, diseases and hosts. We studied whether the mosquito community structure varied between habitats and seasons and whether known disease vectors displayed habitat preferences in tropical Australia. METHODS: Using CDC model 512 traps, adult mosquitoes were sampled across an anthropogenic disturbance gradient of grassland, rainforest edge and rainforest interior habitats, in both the wet and dry seasons...
July 7, 2016: Parasites & Vectors
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