4 Works

Data from: Are all rivers equal? The role of education in attitudes towards temporary and perennial rivers

Catherine Leigh, Kate S. Boersma, Mark L. Galatowitsch, Victoria S. Milner & Rachel Stubbington
Temporary rivers (TRs) are prevalent, biodiverse ecosystems yet often overlooked and underprotected. This may be because inadequate understanding of their ecosystem services leaves them undervalued by society. However, evidence of negative attitudes towards TRs is scant. We investigated the strength and extent of negative attitudes by surveying undergraduate students from Australia, UK, and USA on their agreement (positive attitude) or disagreement (negative attitude) with statements about the ecosystem services, moral consideration, and protection of perennial...

Data from: Methodological considerations for detection of terrestrial small-body salamander eDNA and implications for biodiversity conservation

Donald M. Walker, Jacob E. Leys, Kelly E. Dunham, Joshua C. Oliver, Emily E. Schiller, Kelsey S. Stephenson, John T. Kimrey, Jessica Wooten & Mark W. Rogers
Environmental DNA (eDNA) can be used as an assessment tool to detect populations of threatened species and provide fine-scale data required to make management decisions. The objectives of this project were to use quantitative PCR (qPCR) to: (i) detect spiked salamander DNA in soil, (ii) quantify eDNA degradation over time, (iii) determine detectability of salamander eDNA in a terrestrial environment using soil, faeces, and skin swabs, (iv) detect salamander eDNA in a mesocosm experiment. Salamander...

Cross-ecosystem bottlenecks alter reciprocal subsidies within meta-ecosystems

Amanda Klemmer, Mark Galatowitsch & Angus McIntosh
Reciprocal subsidies link ecosystems into meta-ecosystems, but energy transfer to organisms that do not cross boundaries may create sinks, reducing reciprocal subsidy transfer. We investigated how the type of subsidy and top predator presence influenced reciprocal flows of energy, by manipulating the addition of terrestrial leaf and terrestrial insect subsidies to experimental freshwater pond mesocosms with and without predatory fish. Over 18 months, fortnightly addition of subsidies (terrestrial beetle larvae) to top-predators was crossed with...

PERMANOVA results from Principal component analysis of avian hind limb and foot morphometrics and the relationship between ecology and phylogeny

Amanda Falk, James Lamsdell & Enpu Gong
Principal component analysis has been used to test for similarities in ecology and life habit between modern and fossil birds, however, the two main portions of the hindlimb—the foot and the long bone elements—have not been examined separately. We examine the potential links between morphology, ecology, and phylogeny through a synthesis of phylogenetic paleoecological methods and morphospace analysis. Both hindlimb morphologies and species’ ecologies exhibit extreme phylogenetic clumping, although these patterns are at least partially...

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