Search Results - "Donald L. Phillips"

Converting isotope values to diet composition: the use of mixing models by Phillips, Donald L.

“…A common use of stable isotope analysis in mammalogy is to make inferences about diet from isotope values (typically δ13C and δ15N) measured in tissues and…”
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Analyzing mixing systems using a new generation of Bayesian tracer mixing models by Stock, Brian C, Jackson, Andrew L, Ward, Eric J, Parnell, Andrew C, Phillips, Donald L, Semmens, Brice X

“…The ongoing evolution of tracer mixing models has resulted in a confusing array of software tools that differ in terms of data inputs, model assumptions, and…”
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Bayesian stable isotope mixing models by Parnell, Andrew C., Phillips, Donald L., Bearhop, Stuart, Semmens, Brice X., Ward, Eric J., Moore, Jonathan W., Jackson, Andrew L., Grey, Jonathan, Kelly, David J., Inger, Richard

“…In this paper, we review recent advances in stable isotope mixing models (SIMMs) and place them into an overarching Bayesian statistical framework, which…”
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Quantitative assessment of Pb sources in isotopic mixtures using a Bayesian mixing model by Longman, Jack, Veres, Daniel, Ersek, Vasile, Phillips, Donald L., Chauvel, Catherine, Tamas, Calin G.

“…Lead (Pb) isotopes provide valuable insights into the origin of Pb within a sample, typically allowing for reliable fingerprinting of their source. This is…”
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Combining sources in stable isotope mixing models: alternative methods by Phillips, D.L, Newsome, S.D, Gregg, J.W

“…Stable isotope mixing models are often used to quantify source contributions to a mixture. Examples include pollution source identification; trophic web…”
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Uncertainty in source partitioning using stable isotopes by Phillips, Donald L, Gregg, Jillian W

“…Stable isotope analyses are often used to quantify the contribution of multiple sources to a mixture, such as proportions of food sources in an animal's diet,…”
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Incorporating Concentration Dependence in Stable Isotope Mixing Models by Phillips, Donald L., Koch, Paul L.

“…Stable isotopes are often used as natural labels to quantify the contributions of multiple sources to a mixture. For example, C and N isotopic signatures can…”
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Estimating the timing of diet shifts using stable isotopes by Phillips, D.L, Eldridge, P.M

“…Stable isotope analysis has become an important tool in studies of trophic food webs and animal feeding patterns. When animals undergo rapid dietary shifts due…”
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Willamette River Basin surface water isoscape (δ18O and δ2H): temporal changes of source water within the river by Brooks, J. Renée, Wigington, Parker J, Phillips, Donald L, Comeleo, Randy, Coulombe, Rob

“…Determining how water sources for rivers vary over time can greatly enhance our understanding and management of land use and climate change impacts on rivers…”
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shifting baseline of northern fur seal ecology in the northeast Pacific Ocean by Newsome, Seth D, Etnier, Michael A, Gifford-Gonzalez, Diane, Phillips, Donald L, van Tuinen, Marcel, Hadly, Elizabeth A, Costa, Daniel P, Kennett, Douglas J, Guilderson, Tom P, Koch, Paul L

“…Historical data provide a baseline against which to judge the significance of recent ecological shifts and guide conservation strategies, especially for…”
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Dietary reconstruction of an early to middle Holocene human population from the central California coast: insights from advanced stable isotope mixing models by Newsome, Seth D., Phillips, Donald L., Culleton, Brendan J., Guilderson, Tom P., Koch, Paul L.

“…The inherent sampling and preservational biases of the archaeological record make it difficult to quantify prehistoric human diets, especially in coastal…”
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A niche for isotopic ecology by Newsome, Seth D, Martinez del Rio, Carlos, Bearhop, Stuart, Phillips, Donald L

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niche for isotopic ecology by Newsome, Seth D, Carlos Martinez del Rio, Stuart Bearhop, Donald L. Phillips

“…Fifty years ago, GE Hutchinson defined the ecological niche as a hypervolume in n‐dimensional space with environmental variables as axes. Ecologists have…”
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Incorporating Concentration Dependence in Stable Isotope Mixing Models: A Reply to Robbins, Hilderbrand and Farley (2002) by Koch, Paul L., Phillips, Donald L.

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Source Partitioning Using Stable Isotopes: Coping with Too Many Sources by Phillips, Donald L., Jillian W. Gregg

“…Stable isotopes are increasingly being used as tracers in environmental studies. One application is to use isotopic ratios to quantitatively determine the…”
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Mixing Models in Analyses of Diet Using Multiple Stable Isotopes: A Critique by Phillips, Donald L.

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Mangrove-Exported Nutrient Incorporation by Sessile Coral Reef Invertebrates by Granek, Elise F, Compton, Jana E, Phillips, Donald L

“…Coastal mangrove forests were historically considered as a source of organic matter (OM) for adjacent marine systems due to high net primary production; yet…”
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Testing the niche variation hypothesis with a measure of body condition by Lafferty, Diana J. R., Belant, Jerrold L., Phillips, Donald L.

“…Individual variation and fitness are cornerstones of evolution by natural selection. The niche variation hypothesis (NVH) posits that when interspecific…”
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Estimates of Douglas-fir fine root production and mortality from minirhizotrons by Tingey, David T., Phillips, Donald L., Johnson, Mark G., Rygiewicz, Paul T., Beedlow, Peter A., Hogsett, William E.

“…Minirhizotrons were used to assess the influence of soil resources on fine root (diameter ≤ 2 mm) production, mortality, and standing crop over a 2-year…”
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Zostera marina root demography in an intertidal estuarine environment measured using minirhizotron technology by Johnson, Mark G., Andersen, Christian P., Phillips, Donald L., Kaldy, James E.

“…Over the last 4 decades there have been major advances in our understanding of the biology, ecology and physiology of seagrasses and their environmental…”
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