Description Usage Format Author(s) References
Seastar count data.
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A data frame with 65 rows and 10 variables.
The file contains counts of Dermasterias imbricata (leather seastar) collected between 2009 and 2015 across two parks, Katmai National Park (KATM) and Kenai Fjords National Park (KEFJ) in the Southwest Alaskan Network. The variables are as follows:
Site. Sampling unit selected with GRTS sampling.
Park. National Park. KATM
= Katmai NP and KEFJ
= Kenai Fjords NP.
Year. Survey year formatted as a factor for random effects estimation.
WYear. Scalar year covariate for trend analysis.
Gradient. Site gradient (degrees).
Long. Site longitude.
Lat. Site latitude.
Count. Number of sea stars observed.
wgt. Design weight from the sample draw.
PanelWt. Weight to account for temporal revisit design given sample inclusion.
Leigh Ann Starcevich of Western EcoSystems Technology, Inc.
Alaska Ocean Observing System Gulf of Alaska Data Integration Portal. 2017. Nearshore: Intertidal Systems in Gulf of Alaska data available at: http://portal.aoos.org/gulf-of-alaska.php#metadata/53c052b6-8874-46d1-b40a-acc615a3879a/project/files.
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