National Center for Ecological Analysis and Synthesis

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1791-1800 of 6248
  1. Publication

    Asynchrony among local communities stabilises ecosystem function of metacommunities

    Temporal stability of ecosystem functioning increases the predictability and reliability of ecosystem services, and understanding the drivers of stability across spatial scales is important for land management and policy decisions. We used species‐level abundance data from 62 plant communities across five continents to assess mechanisms of temporal stability across spatial scales. We assessed how asynchrony (i.e. different units responding dissimilarly through time) of species and local communities stabilised metacommunity ecosystem function.

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  2. Publication

    Quantifying effects of biodiversity on ecosystem functioning across times and places

    Biodiversity loss decreases ecosystem functioning at the local scales at which species interact, but it remains unclear how biodiversity loss affects ecosystem functioning at the larger scales of space and time that are most relevant to biodiversity conservation and policy. Theory predicts that additional insurance effects of biodiversity on ecosystem functioning could emerge across time and space if species respond asynchronously to environmental variation and if species become increasingly dominant when and where they are most productive.

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  3. Publication

    Linking communities to inseason salmon management: Kuskokwim River community-based salmon monitoring program

    Presentation at AFS Western Division Meeting in May 2018

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  4. Publication

    Integrating rural residents into co-management and rebuilding of Kuskokwim River Chinook Salmon

    Presentation at AFS Western Division Meeting in May 2018

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  5. Publication

    Salmon and People: Relationships and Disconnections Through Time

    Presentation on the SASAP Sociocultural Working Group's research efforts to date. Talk was given at the American Fisheries Society Western Division Meeting in Anchorage, Alaska in May 2018.

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  6. Publication

    Ecosystem context illuminates conflicting roles of plant diversity in carbon storage

    Plant diversity can increase biomass production in plot‐scale studies, but applying these results to ecosystem carbon (C) storage at larger spatial and temporal scales remains problematic. Other ecosystem controls interact with diversity and plant production, and may influence soil pools differently from plant pools. We integrated diversity with the state‐factor framework, which identifies key controls, or ‘state factors’, over ecosystem properties and services such as C storage.

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  7. Publication

    Facilitating and Improving Environmental Research Data Repository Interoperability

    Environmental research data repositories provide much needed services for data preservation and data dissemination to diverse communities with domain specific or programmatic data needs and standards. Due to independent development these repositories serve their communities well, but were developed with different technologies, data models and using different ontologies.

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  8. Publication

    Combining fish and benthic communities into multiple regimes reveals complex reef dynamics

    Coral reefs worldwide face an uncertain future with many reefs reported to transition from being dominated by corals to macroalgae. However, given the complexity and diversity of the ecosystem, research on how regimes vary spatially and temporally is needed. Reef regimes are most often characterised by their benthic components; however, complex dynamics are associated with losses and gains in both fish and benthic assemblages. To capture this complexity, we synthesised 3,345 surveys from Hawai‘i to define reef regimes in terms of both fish and benthic assemblages.

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  9. Publication

    Long-term trends in ichthyoplankton assemblage structure, biodiversity, and synchrony in the Gulf of Alaska and their relationships to climate

    Understanding and tracking how ecosystems respond to changing environments is an ongoing challenge. Marine ecosystems in the North Pacific support productive fisheries and diverse ecosystem services, and they are subject to large-scale environmental, human, and ecological perturbations. Ichthyoplankton time-series from these ecosystems may provide an important indicator of lower trophic level dynamics and ecosystem functioning.

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  10. Publication

    B-Diversity, Community Assembly, and Ecosystem Functioning

    Evidence is increasing for positive effects of a-diversity on ecosystem function- ing. We highlight here the crucial role of b-diversity--a hitherto underexplored facet of biodiversity--for a better process-level understanding of biodiversity change and its consequences for ecosystems. A focus on b-diversity has the potential to improve predictions of natural and anthropogenic influences on diversity and ecosystem functioning.

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