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Energy and Environment
Story
The Atlantic horseshoe crab (Limulus polyphemus) is a keystone species in the Delaware Bay region, supporting multiple ecosystems and industries important to human health and livelihood.
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Tags horseshoe crab volunteer survey spawning beach and 2 more
Updated
February 8 2019
Views
1,119

Energy and Environment
Story
Horseshoe crabs are important for many reasons, including their impacts ecologically, medically, and economically.
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Tags spawning shorebird beach horseshoe crab volunteer and 2 more
Updated
February 8 2019
Views
759

Energy and Environment
Story
Citizen science drives a large undertaking in understanding the horseshoe crab population, drawing people from all over the country to help with the spawning survey.
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Tags citizen science volunteer survey spawning horseshoe crab and 2 more
Updated
February 8 2019
Views
740

Energy and Environment
Story
Every year, state, federal, and non-governmental organizations coordinate efforts to conduct a standardized spawning survey at select Delaware Bay beaches.
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Tags beach science dnrec horseshoe crab volunteer and 2 more
Updated
February 8 2019
Views
737

Energy and Environment
data.delaware.gov Data Provided by data.delaware.gov
Dataset
Survey data from 1999-2017 which denotes peak spawning occurences by day and lunar period, proportion of spawning in May (coinciding with shorebird stopovers), average water temperature, index values for female and male crabs per square meter by beach and baywide, the annual sex ratio, and index of abundance per beach.
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Tags horeshoe crab dnrec volunteer survey beach and 1 more
API Docs
Updated
August 3 2018
Views
594

Energy and Environment
data.delaware.gov Data Provided by data.delaware.gov
External Link
A map-based application that will show the home states of the volunteers that participated in the annual horseshoe crab surveys. Click play in the application to view the data in the timeline.
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Tags spawning map volunteer crab horseshoe and 2 more
Updated
July 17 2018
Views
20
Showing 1-6 of 6 results