Dugan Jenifer E.

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Dugan
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Jenifer E.
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  • Dataset
    Kelp plant size, holdfast size, and depth from five transects at three sites in Santa Barbara Channel, 2015 to 2017
    (Biological and Chemical Oceanography Data Management Office (BCO-DMO). Contact: bco-dmo-data@whoi.edu, 2019-02-22) Dugan, Jenifer E. ; Miller, Robert
    This dataset reports depth and size of kelp found along five transects in Santa Barbara Channel in summer of 2015 and 2016, and fall of 2017. For a complete list of measurements, refer to the full dataset description in the supplemental file 'Dataset_description.pdf'. The most current version of this dataset is available at: https://www.bco-dmo.org/dataset/737347
  • Dataset
    Starting and ending locations of five transects at each of three kelp study sites in Santa Barbara Channel, 2015 to 2017
    (Biological and Chemical Oceanography Data Management Office (BCO-DMO). Contact: bco-dmo-data@whoi.edu, 2019-02-22) Dugan, Jenifer E. ; Miller, Robert
    This dataset reports starting and ending locations of transects in Santa Barbara Channel used to study the transport and fate of tagged kelp plants on three nearshore reefs, in summer of 2015 and 2016, and fall of 2017. For a complete list of measurements, refer to the full dataset description in the supplemental file 'Dataset_description.pdf'. The most current version of this dataset is available at: https://www.bco-dmo.org/dataset/737366
  • Dataset
    Physical characteristics of six Santa Barbara beaches quantified during surveys conducted from 2015-2017
    (Biological and Chemical Oceanography Data Management Office (BCO-DMO). Contact: bco-dmo-data@whoi.edu, 2020-06-23) Dugan, Jenifer E. ; Miller, Robert
    Physical characteristics of six Santa Barbara beaches quantified during surveys conducted from 2015-2017. Physical characteristics were recorded for each of six shore-normal transects of variable length that extended from the lower edge of terrestrial vegetation or the bluff to the lowest intertidal level exposed by swash at each location. For a complete list of measurements, refer to the full dataset description in the supplemental file 'Dataset_description.pdf'. The most current version of this dataset is available at: https://www.bco-dmo.org/dataset/815025
  • Dataset
    Composition and abundance of macrophyte wrack at six Santa Barbara beaches quantified during surveys conducted from 2015-2017
    (Biological and Chemical Oceanography Data Management Office (BCO-DMO). Contact: bco-dmo-data@whoi.edu, 2020-06-23) Dugan, Jenifer E. ; Miller, Robert
    Composition and abundance of macrophyte wrack at six Santa Barbara beaches quantified during surveys conducted from 2015-2017. Wrack composition and cover were recorded for each of six shore-normal transects of variable length that extended from the lower edge of terrestrial vegetation or the bluff to the lowest intertidal level exposed by swash at each location. For a complete list of measurements, refer to the full dataset description in the supplemental file 'Dataset_description.pdf'. The most current version of this dataset is available at: https://www.bco-dmo.org/dataset/815092
  • Article
    Spatial synchrony cascades across ecosystem boundaries and up food webs via resource subsidies
    (National Academy of Sciences, 2024-01-02) Walter, Jonathan A. ; Emery, Kyle A. ; Dugan, Jenifer E. ; Hubbard, David M. ; Bell, Tom W. ; Sheppard, Lawrence W. ; Karatayev, Vadim A. ; Cavanaugh, Kyle C. ; Reuman, Daniel C. ; Castorani, Max C. N.
    Cross-ecosystem subsidies are critical to ecosystem structure and function, especially in recipient ecosystems where they are the primary source of organic matter to the food web. Subsidies are indicative of processes connecting ecosystems and can couple ecological dynamics across system boundaries. However, the degree to which such flows can induce cross-ecosystem cascades of spatial synchrony, the tendency for system fluctuations to be correlated across locations, is not well understood. Synchrony has destabilizing effects on ecosystems, adding to the importance of understanding spatiotemporal patterns of synchrony transmission. In order to understand whether and how spatial synchrony cascades across the marine-terrestrial boundary via resource subsidies, we studied the relationship between giant kelp forests on rocky nearshore reefs and sandy beach ecosystems that receive resource subsidies in the form of kelp wrack (detritus). We found that synchrony cascades from rocky reefs to sandy beaches, with spatiotemporal patterns mediated by fluctuations in live kelp biomass, wave action, and beach width. Moreover, wrack deposition synchronized local abundances of shorebirds that move among beaches seeking to forage on wrack-associated invertebrates, demonstrating that synchrony due to subsidies propagates across trophic levels in the recipient ecosystem. Synchronizing resource subsidies likely play an underappreciated role in the spatiotemporal structure, functioning, and stability of ecosystems.