Search Results - "J. Kefford, Ben"

Pesticides reduce regional biodiversity of stream invertebrates by Beketov, Mikhail A., Kefford, Ben J., Schäfer, Ralf B., Liess, Matthias

“…The biodiversity crisis is one of the greatest challenges facing humanity, but our understanding of the drivers remains limited. Thus, after decades of studies…”
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Salinisation of rivers: An urgent ecological issue by Cañedo-Argüelles, Miguel, Kefford, Ben J., Piscart, Christophe, Prat, Narcís, Schäfer, Ralf B., Schulz, Claus-Jürgen

“…Secondary salinisation of rivers and streams is a global and growing threat that might be amplified by climate change. It can have many different causes, like…”
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Evidence for a metal disease refuge: The amphibian-killing fungus (Batrachochytrium dendrobatidis) is inhibited by environmentally-relevant concentrations of metals tolerated by amphibians by Esmaeilbeigi, Milad, P. Duncan, Richard, J. Kefford, Ben, Ezaz, Tariq, Clulow, Simon

“…The amphibian-killing fungus Batrachochytrium dendrobatidis (Bd) has caused substantial declines in Bd-susceptible amphibian species worldwide. However, some…”
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Effects of repeated salt pulses on ecosystem structure and functions in a stream mesocosm by Cañedo-Argüelles, Miguel, Bundschuh, Mirco, Gutiérrez-Cánovas, Cayetano, Kefford, Ben J., Prat, Narcís, Trobajo, Rosa, Schäfer, Ralf B.

“…Rivers and streams affected by mining activities often receive short-term sharp salinity increases due to water-soluble stockpiled materials being washed into…”
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Identifying sex-linked markers in Litoria aurea: a novel approach to understanding sex chromosome evolution in an amphibian by Sopniewski, Jarrod, Shams, Foyez, Scheele, Benjamin C., Kefford, Ben J., Ezaz, Tariq

“…Few taxa exhibit the variability of sex-determining modes as amphibians. However, due to the presence of homomorphic sex chromosomes in many species, this…”
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Global scale variation in the salinity sensitivity of riverine macroinvertebrates: eastern Australia, France, Israel and South Africa by Kefford, Ben J, Hickey, Graeme L, Gasith, Avital, Ben-David, Elad, Dunlop, Jason E, Palmer, Carolyn G, Allan, Kaylene, Choy, Satish C, Piscart, Christophe

“…Salinity is a key abiotic property of inland waters; it has a major influence on biotic communities and is affected by many natural and anthropogenic…”
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The thermal breadth of temperate and tropical freshwater insects supports the climate variability hypothesis by Dewenter, Beatrice S., Shah, Alisha A., Hughes, Jane, Poff, N. LeRoy, Thompson, Ross, Kefford, Ben J.

“…Climate change involves increases in mean temperature and changes in temperature variability at multiple temporal scales but research rarely considers these…”
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Why are mayflies (Ephemeroptera) lost following small increases in salinity? Three conceptual osmophysiological hypotheses by Kefford, Ben J

“…The salinity of many freshwaters is increasing globally as a result of human activities. Associated with this increase in salinity are losses of Ephemeroptera…”
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Leaf litter breakdown along an elevational gradient in Australian alpine streams by Werry, Lloyd P., Bundschuh, Mirco, Mitrovic, Simon M., Lim, Richard P., Kefford, Ben J.

“…The breakdown of allochthonous organic matter, is a central step in nutrient cycling in stream ecosystems. There is concern that increased temperatures from…”
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Are the small human-like fossils found on Flores human endemic cretins? by Obendorf, Peter J, Oxnard, Charles E, Kefford, Ben J

“… We hypothesize that these individuals are myxoedematous endemic (ME) cretins, part of an inland population of (mostly unaffected)…”
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Single‐species acute lethal toxicity tests are not predictive of relative population and community effects of two salinity types by Kefford, Ben J., Hyne, Ross V., Brooks, Andrew J., Bray, Jonathan P., Shenton, Mark, Hills, Kasey, Nichols, Susan J.

“…Human‐mediated salinity increases are occurring in freshwaters globally, with consequent negative effects on freshwater biodiversity. Salinity comprises…”
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The mayfly nymph Austrophlebioides pusillus Harker defies common osmoregulatory assumptions by Dowse, Renee, Palmer, Carolyn G., Hills, Kasey, Torpy, Fraser, Kefford, Ben J.

“…Osmoregulation is a key physiological function, critical for homeostasis. The basic physiological mechanisms of osmoregulation are thought to be well…”
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Post-cranial skeletons of hypothyroid cretins show a similar anatomical mosaic as Homo floresiensis by Oxnard, Charles, Obendorf, Peter J, Kefford, Ben J

“…Human remains, some as recent as 15 thousand years, from Liang Bua (LB) on the Indonesian island of Flores have been attributed to a new species, Homo…”
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The cumulative impacts of anthropogenic stressors vary markedly along environmental gradients by Kefford, Ben J., Nichols, Susan J., Duncan, Richard P.

“…Understanding the cumulative effects of multiple stressors on biodiversity is key to managing their impacts. Stressor interactions are often studied using an…”
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Interactions in statistical models: Three things to know by Duncan, Richard P., Kefford, Ben J.

“…In ecological studies, the magnitude and direction of interactions among two continuous explanatory variables x1 and x2 are commonly evaluated by fitting a…”
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Making Species Salinity Sensitivity Distributions Reflective of Naturally Occurring Communities: Using Rapid Testing and Bayesian Statistics by Hickey, Graeme L, Kefford, Ben J, Dunlop, Jason E, Craig, Peter S

“…Species sensitivity distributions (SSDs) may accurately predict the proportion of species in a community that are at hazard from environmental contaminants…”
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Salinized rivers: degraded systems or new habitats for salt-tolerant faunas? by Kefford, Ben J., Buchwalter, David, Cañedo-Argüelles, Miguel, Davis, Jenny, Duncan, Richard P., Hoffmann, Ary, Thompson, Ross

“…Anthropogenic salinization of rivers is an emerging issue of global concern, with significant adverse effects on biodiversity and ecosystem functioning…”
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Macroinvertebrate community and leaf litter breakdown measures lack concordance associated with singular or multiple stressors by Kefford, Ben J., Brooks, Andrew J., Nichols, Susan J., Bray, Jonathan P.

“…Freshwater ecosystems are being degraded by a wide range of stressors resulting from human activities. Various structural and functional metrics or indices are…”
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Metal toxicity affects predatory stream invertebrates less than other functional feeding groups by Liess, Matthias, Gerner, Nadine V., Kefford, Ben J.

“…Ecosystem effects of heavy metals need to be identified for a retrospective risk assessment, and potential impacts need to be predicted for a prospective risk…”
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Acute, diel, and annual temperature variability and the thermal biology of ectotherms by Kefford, Ben J., Ghalambor, Cameron K., Dewenter, Beatrice, Poff, N. LeRoy, Hughes, Jane, Reich, Jollene, Thompson, Ross

“…Global warming is increasing mean temperatures and altering temperature variability at multiple temporal scales. To better understand the consequences of…”
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