Model for evaluating seabirds preferences for hake offal in Patagonia
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This data set was used to build a model to evaluate the seabirds' preferences for hake offal derived from an artisanal fishery in Patagonia.
Main results are: The fishersâ main contribution to seabirds is through offering them the offal of hake catches. We observed that seabirds consumed hake liver 99% of the time, while they consumed stomach less frequently (24%). We identified that southern giant petrels and black-browed albatrosses consumed more liver, while kelp gulls ate more stomach. The liver comprises 51.6% fat, essential for high trophic level marine predators such as black-browed albatrosses., , , # Model for evaluating seabirds preferences for hake offal in Patagonia
[Access this dataset on Dryad]([https://doi.org/10.5061/dryad.ngf1vhj3r]\(https://doi.org/10.5061/dryad.ngf1vhj3r\))
## Dataset Description
We investigated the probability of the seabird assemblage consumption on specific hake offal items, such as the gonad, liver, and stomach. For this study, we defined a seabird assemblage attending a fishing boat in a single sampling period as the total number of taxonomic seabird species, including their abundances. In each sampling period, we randomly threw the offal items one by one from the boat into the sea. Consumption was categorized as â0â if no seabirds consumed an item and â1â if one or more seabirds consumed an offal item. We conducted twenty-four sampling periods, totaling 1298 observations of item consumption. The binomial positive or null âoffal consumption by seabirdsâ served as our response variable, and the explanatory variables included âtypes of offalâ (fixe...
创建时间:
2024-07-19



