Comparison Of Sampling Methodologies And Estimation Of Population Parameters For A Temporary Fish Ectoparasite

Artim, J.M.; Sikkel, P.C.

doi:10.1016/j.ijppaw.2016.05.003

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i

Comparison Of Sampling Methodologies And Estimation Of Population Parameters For A Temporary Fish Ectoparasite

2016
By Artim, J.M. ; Sikkel, P.C.
Source: International Journal for Parasitology 5(2): 145-157, 2016

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Details:

Journal Title:

International Journal for Parasitology
Personal Author:

Artim, J.M. ; Sikkel, P.C.

Artim, J.M. ; Sikkel, P.C. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; Sea Grant

OAR (Oceanic and Atmospheric Research) ; Sea Grant Less -
Sea Grant Program:

PRU (Puerto Rico Sea Grant)
Description:

Characterizing spatio-temporal variation in the density of organisms in a community is a crucial part of ecological study. However, doing so for small, motile, cryptic species presents multiple challenges, especially where multiple life history stages are involved. Gnathiid isopods are ecologically important marine ectoparasites, micropredators that live in substrate for most of their lives, emerging only once during each juvenile stage to feed on fish blood. Many gnathiid species are nocturnal and most have distinct substrate preferences. Studies of gnathiid use of habitat, exploitation of hosts, and population dynamics have used various trap designs to estimate rates of gnathiid emergence, study sensory ecology, and identify host susceptibility. In the studies reported here, we compare and contrast the performance of emergence, fish-baited and light trap designs, outline the key features of these traps, and determine some life cycle parameters derived from trap counts for the Eastern Caribbean coral-reef gnathiid, Gnathia marleyi. We also used counts from large emergence traps and light traps to estimate additional life cycle parameters, emergence rates, and total gnathiid density on substrate, and to calibrate the light trap design to provide estimates of rate of emergence and total gnathiid density in habitat not amenable to emergence trap deployment.
Keywords:

[+]

Ecology Isopods Parasites Gnathiid
Source:

International Journal for Parasitology 5(2): 145-157, 2016
DOI:

https://doi.org/10.1016/j.ijppaw.2016.05.003
Sea Grant Document Number:

PRU-R-16-002
Document Type:

Journal Article
Rights Information:

CC BY-NC-ND
Compliance:

Library
Main Document Checksum:

[+]

urn:sha256:ee82bceb310c01467b1f9360069a4ae62201f83bf8850b3046d01c73be7d2276
Download URL:

https://repository.library.noaa.gov/view/noaa/43822/noaa_43822_DS1.pdf
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