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https://www.readbyqxmd.com/read/28630712/quantifying-drivers-of-wild-pig-movement-across-multiple-spatial-and-temporal-scales
#1
Shannon L Kay, Justin W Fischer, Andrew J Monaghan, James C Beasley, Raoul Boughton, Tyler A Campbell, Susan M Cooper, Stephen S Ditchkoff, Steve B Hartley, John C Kilgo, Samantha M Wisely, A Christy Wyckoff, Kurt C VerCauteren, Kim M Pepin
BACKGROUND: The movement behavior of an animal is determined by extrinsic and intrinsic factors that operate at multiple spatio-temporal scales, yet much of our knowledge of animal movement comes from studies that examine only one or two scales concurrently. Understanding the drivers of animal movement across multiple scales is crucial for understanding the fundamentals of movement ecology, predicting changes in distribution, describing disease dynamics, and identifying efficient methods of wildlife conservation and management...
2017: Movement Ecology
https://www.readbyqxmd.com/read/28623798/monitoring-the-ecotoxicity-of-%C3%AE-al2o3-and-ni-%C3%AE-al2o3-nanomaterials-by-means-of-a-battery-of-bioassays
#2
Gabriela Svartz, Mariana Papa, Marina Gosatti, Marianela Jordán, Analia Soldati, Paula Samter, María M Guraya, Cristina Pérez Coll, Soledad Perez Catán
The increasing application of nanoparticles (NPs) to a variety of new technologies has become a matter of concern due to the potential toxicity of these materials. Many questions about the fate of NPs in the environment and the subsequent impact on ecosystems need to be answered. The aim of this work was to evaluate the ecotoxicity of two alumina-based nanoceramics, γ-Al2O3 (NC) and Ni/ γ-Al2O3 (NiNC) by means of three different standardized tests: Biochemical Oxygen Demand (BOD5), bioassay with luminescent bacteria (Vibrio fischeri; Microtox), and bioassay on amphibian larvae (Rhinella arenarum) (AMPHITOX)...
June 14, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28616495/zoos-and-public-health-a-partnership-on-the-one-health-frontier
#3
C Robinette, L Saffran, A Ruple, S L Deem
Today, accredited zoos are not just places for entertainment, they are actively involved in research for conservation and health. During recent decades in which the challenges for biodiversity conservation and public health have escalated, zoos have made significant changes to address these difficulties. Zoos increasingly have four key areas of focus: education, recreation, conservation, and research. These key areas are important in addressing an interrelated global conservation (i.e. habitat and wildlife loss) and public health crisis...
June 2017: One Health
https://www.readbyqxmd.com/read/28616173/modeling-connectivity-to-identify-current-and-future-anthropogenic-barriers-to-movement-of-large-carnivores-a-case-study-in-the-american-southwest
#4
Meredith L McClure, Brett G Dickson, Kerry L Nicholson
This study sought to identify critical areas for puma (Puma concolor) movement across the state of Arizona in the American Southwest and to identify those most likely to be impacted by current and future human land uses, particularly expanding urban development and associated increases in traffic volume. Human populations in this region are expanding rapidly, with the potential for urban centers and busy roads to increasingly act as barriers to demographic and genetic connectivity of large-bodied, wide-ranging carnivores such as pumas, whose long-distance movements are likely to bring them into contact with human land uses and whose low tolerance both for and from humans may put them at risk unless opportunities for safe passage through or around human-modified landscapes are present...
June 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28614406/learning-from-the-mistakes-of-others-how-female-elk-cervus-elaphus-adjust-behaviour-with-age-to-avoid-hunters
#5
Henrik Thurfjell, Simone Ciuti, Mark S Boyce
In animal behaviour, there is a dichotomy between innate behaviours (e.g., temperament or personality traits) versus those behaviours shaped by learning. Innate personality traits are supposedly less evident in animals when confounded by learning acquired with experience through time. Learning might play a key role in the development and adoption of successful anti-predator strategies, and the related adaptation has the potential to make animals that are more experienced less vulnerable to predation. We carried out a study in a system involving a large herbivorous mammal, female elk, Cervus elaphus, and their primary predator, i...
2017: PloS One
https://www.readbyqxmd.com/read/28609466/multi-level-multi-scale-resource-selection-functions-and-resistance-surfaces-for-conservation-planning-pumas-as-a-case-study
#6
Katherine A Zeller, T Winston Vickers, Holly B Ernest, Walter M Boyce
The importance of examining multiple hierarchical levels when modeling resource use for wildlife has been acknowledged for decades. Multi-level resource selection functions have recently been promoted as a method to synthesize resource use across nested organizational levels into a single predictive surface. Analyzing multiple scales of selection within each hierarchical level further strengthens multi-level resource selection functions. We extend this multi-level, multi-scale framework to modeling resistance for wildlife by combining multi-scale resistance surfaces from two data types, genetic and movement...
2017: PloS One
https://www.readbyqxmd.com/read/28601036/light-pollution-affects-nesting-behavior-of-loggerhead-turtles-and-predation-risk-of-nests-and-hatchlings
#7
Elton Silva, Adolfo Marco, Jesemine da Graça, Héctor Pérez, Elena Abella, Juan Patino-Martinez, Samir Martins, Corrine Almeida
The introduction of artificial light into wildlife habitats is a rapidly expanding aspect of global change, which has many negative impacts on a wide range of taxa. In this experimental study, which took place on a beach located on the island of Boa Vista (Cabo Verde), three types of artificial light were tested on nesting loggerhead sea turtles as well as on ghost crabs, which intensively predate on nests and hatchlings, to determine the effects they would produce on the behavior of both species. Over the course of 36days, female loggerheads and ghost crabs were studied under yellow, orange and red lights, with observations also being made on dark nights that served as a control treatment...
June 3, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28591141/floodplain-farm-fields-provide-novel-rearing-habitat-for-chinook-salmon
#8
Jacob V E Katz, Carson Jeffres, J Louise Conrad, Ted R Sommer, Joshua Martinez, Steve Brumbaugh, Nicholas Corline, Peter B Moyle
When inundated by floodwaters, river floodplains provide critical habitat for many species of fish and wildlife, but many river valleys have been extensively leveed and floodplain wetlands drained for flood control and agriculture. In the Central Valley of California, USA, where less than 5% of floodplain wetland habitats remain, a critical conservation question is how can farmland occupying the historical floodplains be better managed to improve benefits for native fish and wildlife. In this study fields on the Sacramento River floodplain were intentionally flooded after the autumn rice harvest to determine if they could provide shallow-water rearing habitat for Sacramento River fall-run Chinook salmon (Oncorhynchus tshawytscha)...
2017: PloS One
https://www.readbyqxmd.com/read/28591130/natal-and-breeding-philopatry-of-female-steller-sea-lions-in-southeastern-alaska
#9
Kelly K Hastings, Lauri A Jemison, Grey W Pendleton, Kimberly L Raum-Suryan, Kenneth W Pitcher
Information on drivers of dispersal is critical for wildlife conservation but is rare for long-lived marine mammal species with large geographic ranges. We fit multi-state mark-recapture models to resighting data of 369 known-aged Steller sea lion (Eumetopias jubatus) females marked as pups on their natal rookeries in southeastern Alaska from 1994-2005 and monitored from 2001-15. We estimated probabilities of females being first observed parous at their natal site (natal philopatry), and of not moving breeding sites among years (breeding philopatry) at large (> 400 km, all five rookeries in southeastern Alaska) and small (< 4 km, all islands within the largest rookery, Forrester Island Complex, F) spatial scales...
2017: PloS One
https://www.readbyqxmd.com/read/28584175/one-health-emerging-infectious-diseases-and-wildlife-two-decades-of-progress
#10
REVIEW
Andrew A Cunningham, Peter Daszak, James L N Wood
Infectious diseases affect people, domestic animals and wildlife alike, with many pathogens being able to infect multiple species. Fifty years ago, following the wide-scale manufacture and use of antibiotics and vaccines, it seemed that the battle against infections was being won for the human population. Since then, however, and in addition to increasing antimicrobial resistance among bacterial pathogens, there has been an increase in the emergence of, mostly viral, zoonotic diseases from wildlife, sometimes causing fatal outbreaks of epidemic proportions...
July 19, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28582745/changing-perceptions-of-protected-area-benefits-and-problems-around-kibale-national-park-uganda
#11
Catrina A MacKenzie, Jonathan Salerno, Joel Hartter, Colin A Chapman, Rafael Reyna, David Mwesigye Tumusiime, Michael Drake
Local residents' changing perceptions of benefits and problems from living next to a protected area in western Uganda are assessed by comparing household survey data from 2006, 2009, and 2012. Findings are contextualized and supported by long-term data sources for tourism, protected area-based employment, tourism revenue sharing, resource access agreements, and problem animal abundance. We found decreasing perceived benefit and increasing perceived problems associated with the protected area over time, with both trends dominated by increased human-wildlife conflict due to recovering elephant numbers...
June 2, 2017: Journal of Environmental Management
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
#12
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)...
May 27, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28546653/biosocial-conservation-integrating-biological-and-ethnographic-methods-to-study-human-primate-interactions
#13
Joanna M Setchell, Emilie Fairet, Kathryn Shutt, Siân Waters, Sandra Bell
Biodiversity conservation is one of the grand challenges facing society. Many people interested in biodiversity conservation have a background in wildlife biology. However, the diverse social, cultural, political, and historical factors that influence the lives of people and wildlife can be investigated fully only by incorporating social science methods, ideally within an interdisciplinary framework. Cultural hierarchies of knowledge and the hegemony of the natural sciences create a barrier to interdisciplinary understandings...
2017: International Journal of Primatology
https://www.readbyqxmd.com/read/28544666/identifying-target-reference-points-for-harvesting-assessment-limited-wildlife-populations-a-case-study
#14
Bryan S Stevens, James R Bence, William F Porter, Michael L Jones
Identifying appropriate strategies for sustainable harvest is a challenge for many terrestrial vertebrate species because of uncertain system dynamics, limited data to inform population models, and potentially conflicting objectives that seek to harvest and maintain populations at desirable levels. The absence of monitoring and assessment infrastructure needed to regularly estimate abundance accentuates this challenge for many species, and limits application of rigorous state-dependent frameworks for decision making that are commonly advocated in natural resource management...
May 22, 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28542185/protected-area-staff-and-local-community-viewpoints-a-qualitative-assessment-of-conservation-relationships-in-zimbabwe
#15
Chiedza Ngonidzashe Mutanga, Never Muboko, Edson Gandiwa
With the increase in illegal resource harvesting in most protected areas (PAs), the need to understand the determinants and relationships between PAs and local communities to enhance wildlife conservation is increasingly becoming important. Using focus group discussions and interviews, we established the determinants of PA staff-community relationship from both PA staff and local communities' viewpoints, and assessedperceptions of their relationship with each other. The study was guided by the following main research question, 'What is the nature of the relationship between PA staff and local communities and what are the main factors influencing the relationship?' Data were collected through focus group discussions and interviews from four PAs and their adjacent communities in Zimbabwe between July 2013 and February 2014...
2017: PloS One
https://www.readbyqxmd.com/read/28529982/detection-of-hammondia-heydorni-dna-in-feces-collected-in-and-around-an-ohio-wildlife-conservation-center
#16
D Sinnott, K Moreno Torres, B Wolfe, R Garabed, A E Marsh
This study aimed to identify DNA attributed to Hammondia heydorni oocysts in the feces of wild canids in and around an Ohio wildlife conservation center. Two hundred and eighty-five wild canid fecal samples were analyzed using PCR with melting curve analysis to detect coccidian DNA. Coccidia-positive samples were further subjected to H. heydorni-specific and N. caninum-specific PCR assays. Samples positive by the H. heydorni-specific assay were additionally analyzed with a PCR assay to distinguish H. heydorni from Hammondia triffittae...
December 2016: Veterinary Parasitology (Amsterdam)
https://www.readbyqxmd.com/read/28528654/natural-radionuclides-and-stable-elements-in-weaver-ants-oecophylla-smaragdina-from-tropical-northern-australia
#17
Peter Medley, Che Doering, Fiona Evans, Andreas Bollhöfer
Natural radionuclides and stable elements were measured in weaver ants, leaves and soils collected from three sites in tropical northern Australia. Radionuclide concentration ratios for ants relative to soil were derived from the measurements and used to refine the current environmental radiological assessment for remediation of Ranger uranium mine. Use of site-specific concentration ratios for weaver ants gave a more conservative estimate of environmental exposure to the arthropod wildlife group than use of default concentration ratios in the ERICA Tool...
May 18, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28506903/ethnozoological-assessment-of-animals-used-by-mon-traditional-medicine-vendors-at-kyaiktiyo-myanmar
#18
Vincent Nijman, Chris R Shepherd
ETHNOPHARMACOLOGICAL RELEVANCE: Wild animals are widely used in traditional Asian medicine but information from Myanmar is lacking. We show that a wide range of animals are used at a pilgrimage site, mostly for their rendered fats and oils to be used in mixed concoctions. The majority of species were sold to be used to treat aching joints, muscle ache and skin diseases. AIM OF THE STUDY: To assess wildlife for sale for medicinal purposes, and document their medicinal use at Kyaiktiyo, a pilgrimage site at a 1100m tall mountain, with many of the pilgrims climbing to the top...
May 12, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28505083/family-planning-and-the-samburu-a-qualitative-study-exploring-the-thoughts-of-men-on-a-population-health-and-environment-programme-in-rural-kenya
#19
Loren Kock, Audrey Prost
Population Health and Environment (PHE) strategies are argued to improve ecosystem and human health by addressing family size and its effects on natural resource use, food security, and reproductive health. This study investigates men's views on a PHE family planning (FP) programme delivered among the pastoral Samburu tribe in rural northern Kenya. Three focus group discussions and nine semi-structured interviews were conducted with 27 Samburu men. These discussions revealed support for environmentally-sensitised family planning promotion...
May 13, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28501972/genetic-variation-of-major-histocompatibility-complex-genes-in-the-endangered-red-crowned-crane
#20
Takuya Akiyama, Tetsuo I Kohyama, Chizuko Nishida, Manabu Onuma, Kunikazu Momose, Ryuichi Masuda
Populations that have drastically decreased in the past often have low genetic variation, which may increase the risk of extinction. The genes of major histocompatibility complex (MHC) play an important role in the adaptive immune response of jawed vertebrates. Maintenance of adaptive genetic diversity such as that of MHC genes is important for wildlife conservation. Here, we determined genotypes of exon 3 of MHC class IA genes (MHCIA) and exon 2 of MHC class IIB genes (MHCIIB) to evaluate genetic variation of the endangered red-crowned crane population on Hokkaido Island, Japan, which experienced severe population decline in the past...
May 14, 2017: Immunogenetics
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