NDLI: Measuring burrows as a feasible non-destructive method for studying the population dynamics of ghost crabs

Content Provider	Springer Nature Link
Author	Oliveira, Carolina A. G. Souza, Gabriela N. Soares Gomes, Abílio
Copyright Year	2016
Abstract	The use of ghost crabs in environmental quality assessments of sandy beaches is supported by their ecological role and abundance. This study evaluated the spatial distribution and population dynamics of Ocypode quadrata by the non-destructive method of counting and measuring its burrows. Additionally, individuals were captured, weighed, sexed and had their carapaces and burrows measured for correlation analysis. The density of burrows differed statistically among beach levels and seasons, but did not differ among beach sectors. The population showed a bimodal distribution during most of the year, with a small shift in modal peaks. Estimation of growth parameters suggested that our population was slow-growing and long-lived, despite reaching sexual maturity early. These characteristics could be related to the survival strategy of this species in a hostile environment. Growth curves plotted against burrow diameter and carapace width showed no statistical differences, demonstrating that burrow counting and measuring is a feasible low-impact method to infer ghost crab population dynamics.
Starting Page	809
Ending Page	817
Page Count	9
File Format	PDF
ISSN	18671616
Journal	Marine Biodiversity
Volume Number	46
Issue Number	4
e-ISSN	18671624
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-01-11
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Southwestern Atlantic Brazil Sandy beaches Macrobenthos Crustacean Spatial distribution Population ecology Biodiversity Freshwater & Marine Ecology Plant Systematics/Taxonomy/Biogeography Animal Systematics/Taxonomy/ Biogeography
Content Type	Text
Resource Type	Article
Subject	Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography

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