Effect of Habitat Complexity on Predator—Prey Relationships: Implications for Black Mangrove Range Expansion into Northern Gulf of Mexico Salt Marshes

Scheffel, Whitney A.; Jr, Kenneth L. Heck; Rozas, Lawrence P.

doi:10.2983/035.036.0119

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i

Effect of Habitat Complexity on Predator—Prey Relationships: Implications for Black Mangrove Range Expansion into Northern Gulf of Mexico Salt Marshes

2017
By Scheffel, Whitney A. ; Jr, Kenneth L. Heck ; Rozas, Lawrence P.
Source: Journal of Shellfish Research, 36(1), 181-188

[PDF-1.01 MB]

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Journal Title:

Journal of Shellfish Research
Personal Author:

Scheffel, Whitney A. ; Jr, Kenneth L. Heck ; Rozas, Lawrence P.

Scheffel, Whitney A. ; Jr, Kenneth L. Heck ; Rozas, Lawrence P. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; SEFSC (Southeast Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; SEFSC (Southeast Fisheries Science Center) Less -
Description:

The tropically associated black mangrove ( Avicennia germinans ) is experiencing a climate-induced range shift and expanding into salt marshes of northern Florida, southern Louisiana and most recently, Horn Island, MS. To date, little is knownabout how black mangroves function as nursery habitat for important ﬁshery species such as shrimps or how their increase mayaffect survival of such species. The main objective of our study was to determine habitat preference and survival rates of common, economically important penaeid shrimps in the presence and absence of the increasingly abundant tropical predator, the gray snapper ( Lutjanus griseus ). We also examined the effects of habitat identity and structure on juvenile white shrimp ( Litopenaeus setiferus ) and brown shrimp ( Farfantepenaeus aztecus ) behavior, using preference experiments in indoor mesocosms both with and without the predatory gray snapper. Results showed that shrimp prefer Spartina over Avicennia with or without predation risk. Survival of shrimp was lowest in sand and highest in medium-density Spartina . Thus, a marsh-to-mangrove habitat conversion
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Aquatic Science
Source:

Journal of Shellfish Research, 36(1), 181-188
DOI:

https://doi.org/10.2983/035.036.0119
ISSN:

0730-8000;1943-6319;
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National Shellfisheries Association
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Journal Article
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urn:sha256:9c65843ff844f2a100bf9faa848b64a1846fd8dbe2f06dddfe23c8417bd0b50e
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Effect of Habitat Complexity on Predator—Prey Relationships: Implications for Black Mangrove Range Expansion into Northern Gulf of Mexico Salt Marshes

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