158 Works

An empirical evaluation of camera trap study design: how many, how long, and when?

Roland Kays, Brian Arbogast, Megan Baker-Whatton, Chris Beirne, Hailey Boone, Mark Bowler, Santiago Burneo, Michael Cove, Ping Ding, Santiago Espinosa, André Gonçalves, Christopher Hansen, Patrick Jansen, Joseph Kolowski, Travis Knowles, Marcela Lima, Joshua Millspaugh, William McShea, Krishna Pacifici, Arielle Parsons, Brent Pease, Francesco Rovero, Fernanda Santos, Stephanie Schuttler, Douglas Sheil … & Wilson Spironello
1. Camera traps deployed in grids or stratified random designs are a well-established survey tool for wildlife but there has been little evaluation of study design parameters. 2. We used an empirical subsampling approach involving 2225 camera deployments run at 41 study areas around the world to evaluate three aspects of camera trap study design (number of sites, duration and season of sampling) and their influence on the estimation of three ecological metrics (species richness,...

Chemical variations in Quercus pollen as a tool for taxonomic identification: implications for long-term ecological and biogeographical research

Florian Muthreich, Boris Zimmermann, Carlos M. Vila-Viçosa, H. John. B. Birks & Alistair W.R. Seddon
Aim Fossil pollen is an important tool for understanding biogeographic patterns in the past, but the taxonomic resolution of the fossil-pollen record may be limited to genus or even family level. Chemical analysis of pollen grains has the potential to increase the taxonomic resolution of pollen, but present-day chemical variability is poorly understood. This study aims to investigate whether a phylogenetic signal is present in the chemical variations of Quercus L. pollen and to assess...

Date Creek Lichen colonization data

Erica Lilles, Paula Bartemucci & Yngvar Gauslaa
Conservation of epiphytic lichens in managed forest landscapes relies on understanding limitations to their dispersal and establishment after harvesting. A hot-spot for cephalo- and cyanolichens, the Kispiox inland temperate rainforest of British Columbia, Canada, is an example of where forest managers seek silviculture options that allow for forest harvesting to continue, while also conserving threatened species. To characterize colonization of these lichens (including the nationally-threatened Nephroma occultum and Lobaria retigera), we quantified thalli on 25-year-old...

Data from: A method to generate multi-locus barcodes of pinned insect specimens using MiSeq

Trace Akankunda, Hien To, Carlos R Lopez, Remko Leijs & Katja Hogendoorn
For molecular insect identification, amplicon sequencing methods are recommended because they offer a cost effective approach for targeting small sets of informative genes from multiple samples. In this context, high-throughput multilocus amplicon sequencing has been achieved using the MiSeq Illumina sequencing platform. However, this approach generates short gene fragments of less than 500 bp, which then have to be overlapped using bioinformatics to achieve longer sequence lengths. This increases the risk of generating chimeric sequences...

Data from: Comparative transcriptomics reveals domestication-associated features of Atlantic salmon lipid metabolism

Yang Jin, Rolf Erik Olsen, Thomas Nelson Harvey, Mari-Ann Østensen, Keshuai Li, Nina Santi, Olav Vadstein, Atle Magnar Bones, Jon Olav Vik, Simen Rød Sandve & Yngvar Olsen
Domestication of animals imposes strong targeted selection for desired traits but can also result in unintended selection due to new domestic environments. Atlantic salmon was domesticated in the 1970s and has subsequently been selected for faster growth in systematic breeding programmes. More recently, salmon aquaculture has replaced fish oils (FO) with vegetable oils (VO) in feed, radically changing the levels of essential long-chain polyunsaturated fatty acids (LC-PUFA). Our aim was to study the impact of...

Diet of the brown bear in Himalaya: combining classical and molecular genetic techniques

Muhammad Ali Nawaz, Alice Valentini, Noor Kamal Khan, Christian Miquel, Pierre Taberlet & Jon E. Swenson
The ecological requirements of brown bears are poorly known in the Himalaya region, which complicates conservation efforts. We documented the diet of the Himalayan brown bear ( Ursus arctos isabellinus ) by combining classical scat analysis and a newly developed molecular genetic technique (the trn L approach), in Deosai National Park, Pakistan. Brown bears consumed over 50 plant species, invertebrates, ungulates, and several rodents. Eight plant families; Poaceae, Polygonaceae, Cyperaceae, Apiaceae, Asteraceae, Caryophyllaceae, Lamiaceae, and...

Expert-based assessment of rewilding indicates progress at site-level, yet challenges for upscaling

Josiane Segar, Henrique Pereira, Raquel Filgueiras, Alexandros Karamanlidis, Deli Saavedra & Néstor Fernández
Rewilding is gaining importance across Europe, as agricultural abandonment trajectories provide opportunities for large-scale ecosystem restoration. However, its effective implementation is hitherto limited, in part due to a lack of monitoring of rewilding interventions and their interactions. Here, we provide a first assessment of rewilding progress across seven European sites. Using an iterative and participatory Delphi technique to standardize and analyze expert-based knowledge of these sites, we 1) map rewilding interventions onto the three central...

Introgression dynamics from invasive pigs into wild boar following the March 2011 natural and anthropogenic disasters at Fukushima

Donovan Anderson, Yuki Negishi, Hiroko Ishiniwa, Kei Okuda, Thomas Hinton, Rio Toma, Junco Nagata, Hidetoshi Tamate & Shingo Kaneko
Natural and anthropogenic disasters have the capability to cause sudden extrinsic environmental changes and long-lasting perturbations including invasive species, species expansion, and influence evolution as selective pressures force adaption. Such disasters occurred on March 11th 2011, in Fukushima, Japan when an earthquake, tsunami, and meltdown of a nuclear power plant all drastically reformed anthropogenic land use. Here, we demonstrate, using genetic data, how wild boar (Sus scrofa leucomystax) have persevered against these environmental changes, including...

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