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Vulnerability to climate change of managed stocks in the California Current large marine ecosystem
Introduction: Understanding how abundance, productivity and distribution of individual species may respond to climate change is a critical first step towards anticipating alterations in marine ecosystem structure and function, as well as developing strategies to adapt to the full range of potential changes.Methods: This study applies the NOAA (National Oceanic and Atmospheric Administration) Fishe
Authors
Michelle M McClure, Melissa A. Haltuch, Ellen Willis-Norton, David D. Huff, Elliott L. Hazen, Lisa G. Crozier, Michael G. Jacox, Mark W. Nelson, Kelly S. Andrews, Lewis A. K. Barnett, Aaron M. Berger, Sabrina Beyer, Joe Bizzarro, David A. Boughton, Jason M. Cope, Mark H. Carr, Heidi Dewar, Edward Dick, Dorval Emmanis, Jason B. Dunham, Vladlena Gertseva, Correigh M. Greene, Richard G. Gustafson, Hamel Owen S., Chris J. Harvey, Mark J. Henderson, Chris E. Jordan, Isaac C. Kaplan, Steven T. Lindley, Nathan J. Mantua, Sean E. Matson, Melissa H. Monk, Peter B. Moyle, Colin L Nicol, John Pohl, Ryan R. Rykaczewski, Jameal F. Samhouri, Susan Sogard, Nick Tolimieri, John Wallace, Chantel Wetzel, Steven J. Bograd
Qualitative value of information provides a transparent and repeatable method for identifying critical uncertainty
Conservation decisions are often made in the face of uncertainty because the urgency to act can preclude delaying management while uncertainty is resolved. In this context, adaptive management is attractive, allowing simultaneous management and learning. An adaptive program design requires the identification of critical uncertainties that impede the choice of management action. Quantitative evalua
Authors
Michelle L Stantial, Abigail Jean Lawson, Auriel M.V. Fournier, Peter J. Kappes, Chelsea S. Kross, Michael C. Runge, Mark S. Woodrey, James E. Lyons
An examination of soil crusts on the floor of Jezero crater, Mars
Martian soils are critically important for understanding the history of Mars, past potentially habitable environments, returned samples, and future human exploration. This paper examines soil crusts on the floor of Jezero crater encountered during initial phases of the Mars 2020 mission. Soil surface crusts have been observed on Mars at other locations, starting with the two Viking Lander missions
Authors
E. M. Hausrath, C. T. Adcock, A. Bechtold, P. S. A. Beck, K. Benison, A. Brown, E. L. Cardarelli, N. A. Carman, B. Chide, J. Christian, B. C. Clark, E. Cloutis, A. Cousin, O. Forni, Travis S. J. Gabriel, O. Gasnault, M. P. Golombek, F. Gomez, M. H. Hecht, T. L. J. Henley, J. Huidobro, J. C. Johnson, M. W. M. Jones, P. B. Kelemen, A. Knight, J. A. Lasue, S. Le Mouelic, J. M. Madariaga, J. N. Maki, L. Mandon, G. Martinez, J. Martinez-Frias, T. H. McConnochie, P. -Y. Meslin, M. -P. Zorzano, H. Newsom, G. Paar, N. Randazzo, C. Royer, S. Siljestroem, M. E. Schmidt, S. Schroeder, M. A. Sephton, R. Sullivan, N. Turenne, A. Udry, S. VanBommel, A. Vaughan, R. C. Wiens, N. Williams
Spatial and temporal analysis of geologic slip rates, Cucamonga Fault, California, USA: Implications for along-strike applications and multi-fault rupture
To constrain fault processes and hazard, fault slip rates may be extrapolated over different fault lengths or time intervals. Here, we investigate slip rates for the Cucamonga Fault (CF). The CF is located at the junction of the Transverse Range fault system with the San Andreas and San Jacinto Faults, and it is hypothesized to connect with these faults, promoting the propagation of large, multi-f
Authors
Devin McPhillips, Katherine Scharer
The 2013−2020 seismic activity at Sabancaya Volcano (Peru): Long lasting unrest and eruption
Sabancaya volcano is the youngest and second most active volcano in Peru. It is part of the Ampato-Sabancaya volcanic complex which sits to the south of the ancient Hualca Hualca volcano and several frequently active faults, thus resulting in complex volcano-tectonic interactions. After 15 years of repose, in 2013, a series of 4 earthquakes with magnitude >4.5 occurred within 24 h, marking the beg
Authors
Roger Machacca, P. Lesage, H. Tavera, J. Pesicek, C. Caudron, J.L. Torres, N. Puma, K. Vargas, I. Lazarte, M. Rivera, Alain Burgisser
Pelagic food web interactions in a large invaded ecosystem: Implications for reintroducing a native top predator
A series of species introductions, overexploitation, and habitat modification preceded the extirpation of Lahontan cutthroat trout (Oncorhynchus clarkii henshawi; LCT), historically the apex predator, from Lake Tahoe, California-Nevada, USA. Studies evaluating limiting factors for LCT emphasise the need to elucidate food web interactions, yet important knowledge gaps regarding trophic interactions
Authors
Adam G. Hansen, Allison McCoy, Gary P. Thiede, David Beauchamp
Flow–recruitment relationships for Shoal Chub and implications for managing environmental flows
ObjectiveRegulation of river flow regimes by dams and diversions impacts aquatic biota and ecosystems globally. However, our understanding of the ecological consequences of flow alteration and ecological benefits of flow restoration lags behind our ability to manipulate flows, and there is a need for broader development of flow–ecology relationships. Approaches for establishing flow–ecology relati
Authors
Joshuah S. Perkin, Matthew Ross Acre, Johnathan K. Ellard, Anthony W. Rodger, Joe Trungale, Kirk O. Winemiller, Lauren E. Yancy
Predicting probabilities of late summer surface flow presence in a glaciated mountainous headwater region
Accurate mapping of streams that maintain surface flow during annual baseflow periods in mountain headwater streams is important for informing water availability for human consumption and is a fundamental determinant of in-channel conditions for stream-dwelling organisms. Yet accurate mapping that captures local spatial variability and associated local controls on surface flow presence is limited.
Authors
Kristin Jaeger, Roy Sando, Sarah B. Dunn, Andrew S. Gendaszek
Survival rates of band-tailed pigeons estimated using passive integrated transponder tags
Obtaining survival estimates on the Interior population of band-tailed pigeons (Patagioenas fasciata) is challenging because they are trap shy, but the joint use of passive integrated transponder (PIT) tags and bands is a potential solution. We investigated the use of PIT tags to passively recapture band-tailed pigeon at 3 locations in New Mexico, USA, to estimate survival. From 2013–2015, we capt
Authors
Daniel P. Collins, Guthrie S. Zimmerman, Scott A. Carleton, William L. Kendall, Christopher L. Coxen
Conservation genomics reveals low connectivity among populations of threatened roseate terns (Sterna dougallii) in the Atlantic Basin
While the effects of barriers to dispersal such as population declines, habitat fragmentation, and geographic distance have been well-documented in terrestrial wildlife, factors impeding the dispersal of highly vagile taxa such as seabirds are less well understood. The roseate tern (Sterna dougallii) is a globally distributed seabird species, but populations tend to be both fragmented and small, a
Authors
Paige A. Byerly, R. Terry Chesser, Robert C. Fleischer, Nancy McInerney, Natalia Przelomska, Paul S Leberg
An evaluation of avian influenza virus whole-genome sequencing approaches using nanopore technology
As exemplified by the global response to the SARS-CoV-2 pandemic, whole-genome sequencing played an important role in monitoring the evolution of novel viral variants and provided guidance on potential antiviral treatments. The recent rapid and extensive introduction and spread of highly pathogenic avian influenza virus in Europe, North America, and elsewhere raises the need for similarly rapid se
Authors
Hon S. Ip, Sarah Uhm, Mary Lea Killian, Mia K. Torchetti
Combining local, landscape, and regional geographies to assess plant community vulnerability to invasion impact
Invasive species science has focused heavily on the invasive agent. However, management to protect native species also requires a proactive approach focused on resident communities and the features affecting their vulnerability to invasion impacts. Vulnerability is likely the result of factors acting across spatial scales, from local to regional, and it is the combined effects of these factors tha
Authors
Ines Ibáñez, Lais Petri, David Barnett, Evelyn M. Beaury, Dana M. Blumenthal, Jeff Corbin, Jeffrey M. Diez, Jeffrey Dukes, Reagan Early, Ian Pearse, Cascade J. B. Sorte, Montserrat Vila, Bethany A. Bradley