Search Results - "Litzow, Michael A."

The changing physical and ecological meanings of North Pacific Ocean climate indices by Litzow, Michael A., Hunsicker, Mary E., Bond, Nicholas A., Burke, Brian J., Cunningham, Curry J., Gosselin, Jennifer L., Norton, Emily L., Ward, Eric J., Zador, Stephani G.

“…Climate change is likely to change the relationships between commonly used climate indices and underlying patterns of climate variability, but this complexity…”
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Sea Ice Retreat Alters the Biogeography of the Bering Sea Continental Shelf by Mueter, Franz J., Litzow, Michael A.

“…Seasonal ice cover creates a pool of cold bottom water on the eastern Bering Sea continental shelf each winter. The southern edge of this cold pool, which…”
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Nonstationary environmental and community relationships in the North Pacific Ocean by Litzow, Michael A., Ciannelli, Lorenzo, Puerta, Patricia, Wettstein, Justin J., Rykaczewski, Ryan R., Opiekun, Michael

“…Common approaches for summarizing multivariate environmental or community data assume that relationships among variables are stationary over time, and this…”
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Climate attribution time series track the evolution of human influence on North Pacific sea surface temperature by Litzow, Michael A, Malick, Michael J, Kristiansen, Trond, Connors, Brendan M, Ruggerone, Gregory T

“…Abstract We apply climate attribution techniques to sea surface temperature time series from five regional North Pacific ecosystems to track the growth in…”
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Early warning signals, nonlinearity, and signs of hysteresis in real ecosystems by Litzow, Michael A., Hunsicker, Mary E.

“…Abstract Early warning signals ( EWS ) might dramatically improve our ability to manage nonlinear ecological change. However, the degree to which theoretical…”
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Assessing the ecological importance of climate regime shifts: An approach from the North Pacific Ocean by Litzow, Michael A., Mueter, Franz J.

“…•We updated 97 climate and biology time series to evaluate ecosystem status in the northeast Pacific.•Declining PDO amplitude correlated with declining…”
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Reassessing regime shifts in the North Pacific: incremental climate change and commercial fishing are necessary for explaining decadal-scale biological variability by Litzow, Michael A., Mueter, Franz J., Hobday, Alistair J.

“…In areas of the North Pacific that are largely free of overfishing, climate regime shifts – abrupt changes in modes of low‐frequency climate variability – are…”
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Using a climate attribution statistic to inform judgments about changing fisheries sustainability by Litzow, Michael A., Malick, Michael J., Abookire, Alisa A., Duffy-Anderson, Janet, Laurel, Benjamin J., Ressler, Patrick H., Rogers, Lauren A.

“…Sustainability—maintaining catches within the historical range of socially and ecologically acceptable values—is key to fisheries success. Climate change may…”
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Smoothed dynamic factor analysis for identifying trends in multivariate time series by Ward, Eric J., Anderson, Sean C., Hunsicker, Mary E., Litzow, Michael A.

“…Ecological processes are rarely directly observable, and inference often relies on estimating hidden or latent processes. State‐space models have become widely…”
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Evaluating signals of oil spill impacts, climate, and species interactions in Pacific herring and Pacific salmon populations in Prince William Sound and Copper River, Alaska by Ward, Eric J, Adkison, Milo, Couture, Jessica, Dressel, Sherri C, Litzow, Michael A, Moffitt, Steve, Hoem Neher, Tammy, Trochta, John, Brenner, Rich

“…The Exxon Valdez oil spill occurred in March 1989 in Prince William Sound, Alaska, and was one of the worst environmental disasters on record in the United…”
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Pacific cod in the Anthropocene: An early life history perspective under changing thermal habitats by Laurel, Benjamin J., Abookire, Alisa, Barbeaux, Steve J., Almeida, L. Zoe, Copeman, Louise A., Duffy‐Anderson, Janet, Hurst, Thomas P., Litzow, Michael A., Kristiansen, Trond, Miller, Jessica A., Palsson, Wayne, Rooney, Sean, Thalmann, Hillary L., Rogers, Lauren A.

“…Abstract The rapid decline in Pacific cod ( Gadus macrocephalus , Gadidae) biomass following multiple Gulf of Alaska marine heatwaves (2014–2016 and 2019) may…”
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Evaluating the impacts of reduced sampling density in a systematic fisheries-independent survey design by DeFilippo, Lukas, Kotwicki, Stan, Barnett, Lewis, Richar, Jon, Litzow, Michael A., Stockhausen, William T., Palof, Katie

“…Fisheries-independent surveys provide critical data products used to estimate stock status and inform management decisions. While it can be possible to…”
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Correction: Evaluating signals of oil spill impacts, climate, and species interactions in Pacific herring and Pacific salmon populations in Prince William Sound and Copper River, Alaska by Ward, Eric J, Adkison, Milo, Couture, Jessica, Dressel, Sherri C, Litzow, Michael A, Moffitt, Steve, Neher, Tammy Hoem, Trochta, John, Brenner, Rich

“…[This corrects the article DOI: 10.1371/journal.pone.0172898.]…”
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Increased Spatial Variance Accompanies Reorganization of Two Continental Shelf Ecosystems by Litzow, Michael A., Urban, J. Daniel, Laurel, Benjamin J.

“…Phase transitions between alternate stable states in marine ecosystems lead to disruptive changes in ecosystem services, especially fisheries productivity. We…”
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The collapse of eastern Bering Sea snow crab by Szuwalski, Cody S., Aydin, Kerim, Fedewa, Erin J., Garber-Yonts, Brian, Litzow, Michael A.

“…The snow crab is an iconic species in the Bering Sea that supports an economically important fishery and undergoes extensive monitoring and management. Since…”
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Non-stationary climate-salmon relationships in the Gulf of Alaska by Litzow, Michael A, Ciannelli, Lorenzo, Puerta, Patricia, Wettstein, Justin J, Rykaczewski, Ryan R, Opiekun, Michael

“…Studies of climate effects on ecology often account for non-stationarity in individual physical and biological variables, but rarely allow for non-stationary…”
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Seasonal shift in energy allocation from somatic growth to lipid storage and the link between pre-winter condition and overwintering potential in juvenile Pacific cod by Abookire, Alisa A, Copeman, Louise A, Litzow, Michael A, Laurel, Benjamin J

“…Abstract Warming temperatures in the Gulf of Alaska have been linked to recruitment failure in Pacific cod (Gadus macrocephalus), but the mechanisms and timing…”
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Quantifying a Novel Climate Through Changes in PDO‐Climate and PDO‐Salmon Relationships by Litzow, Michael A., Malick, Michael J., Bond, Nicholas A., Cunningham, Curry J., Gosselin, Jennifer L., Ward, Eric J.

“…We used changing relationships between primary climate variables and the Pacific Decadal Oscillation (PDO) index to quantify novel climate conditions during…”
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Empirical orthogonal function regression: Linking population biology to spatial varying environmental conditions using climate projections by Thorson, James T., Cheng, Wei, Hermann, Albert J., Ianelli, James N., Litzow, Michael A., O'Leary, Cecilia A., Thompson, Grant G.

“…Ecologists and oceanographers inform population and ecosystem management by identifying the physical drivers of ecological dynamics. However, different…”
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Oscillating trophic control induces community reorganization in a marine ecosystem by Litzow, Michael A, Ciannelli, Lorenzo

“…Understanding how climate regulates trophic control may help to elucidate the causes of transitions between alternate ecosystem states following climate regime…”
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