Using nekton growth as a metric for assessing habitat restoration by marsh terracing.
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Summary
DOI: 10.3354/meps08274
DescriptionWe conducted field growth experiments to evaluate marsh-terracing restoration in Galveston Bay, Texas (USA). Growth rates were compared for selected species held in mesocosms for 7 d within 4 habitat type treatments: terrace marsh edge (TerM), terrace pond (TerP), reference marsh edge (RefM), and reference pond (RefP). Environmental variables were measured during each experiment, and values measured inside the experimental mesocosms generally tracked outside values. Mean daily growth rates were 0.7 to 1.9 mm (30 to 143 mg) for brown shrimp Farfantepenaeus aztecus, 0.4 to 1.2 mm (8 to 67 mg) for white shrimp Litopenaeus setiferus, 0.3 to 0.6 mm (15 to 194 mg) for blue crab Callinectes sapidus, and 0.1 to 0.4 mm (0.3 to 3 mg) for daggerblade grass shrimp Palaemonetes pugio. No difference was detected in growth rates among treatments for blue crab and daggerblade grass shrimp. White shrimp growth rates in August 2002 were higher in TerP than RefP, and in October 2002, were higher in RefP than TerM. Brown shrimp grew more rapidly in RefM than TerM in early May 2003, but mean growth rates were similar in both habitat types later in May 2003, and significantly lower than growth rates in RefP and TerP. Even though growth rates were not consistently higher in terrace habitat types, production rates may be higher in terrace fields than over hallow non-vegetated bottom (the habitat type replaced by marsh terracing); much higher densities of fishery species in terrace habitats more than compensate for occasionally lower growth rates there. However, our production rates should be used cautiously, because we did not include mortality rates in these estimates. We recommend using a combination of different metrics, including mortality rate, to assess secondary productivity of marsh terracing or other restoration projects.
Document Information
Document Type
Journal article
Document Format
Acrobat Portable Document Format
Publication Date
2009-11-18
Distribution Information
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PDF - Adobe Portable Document Format
MARINE ECOLOGY PROGRESS SERIES
Vol. 394: 179–193, 2009
doi: 10.3354/meps08274
Contact Information
Point of Contact
James Ditty
Jim.Ditty@noaa.gov
409-766-3782
Item Identification
Title: | Using nekton growth as a metric for assessing habitat restoration by marsh terracing. |
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Status: | Completed |
Publication Date: | 2009-11-18 |
Abstract: |
We conducted field growth experiments to evaluate marsh-terracing restoration in Galveston Bay, Texas (USA). Growth rates were compared for selected species held in mesocosms for 7 d within 4 habitat type treatments: terrace marsh edge (TerM), terrace pond (TerP), reference marsh edge (RefM), and reference pond (RefP). Environmental variables were measured during each experiment, and values measured inside the experimental mesocosms generally tracked outside values. Mean daily growth rates were 0.7 to 1.9 mm (30 to 143 mg) for brown shrimp Farfantepenaeus aztecus, 0.4 to 1.2 mm (8 to 67 mg) for white shrimp Litopenaeus setiferus, 0.3 to 0.6 mm (15 to 194 mg) for blue crab Callinectes sapidus, and 0.1 to 0.4 mm (0.3 to 3 mg) for daggerblade grass shrimp Palaemonetes pugio. No difference was detected in growth rates among treatments for blue crab and daggerblade grass shrimp. White shrimp growth rates in August 2002 were higher in TerP than RefP, and in October 2002, were higher in RefP than TerM. Brown shrimp grew more rapidly in RefM than TerM in early May 2003, but mean growth rates were similar in both habitat types later in May 2003, and significantly lower than growth rates in RefP and TerP. Even though growth rates were not consistently higher in terrace habitat types, production rates may be higher in terrace fields than over hallow non-vegetated bottom (the habitat type replaced by marsh terracing); much higher densities of fishery species in terrace habitats more than compensate for occasionally lower growth rates there. However, our production rates should be used cautiously, because we did not include mortality rates in these estimates. We recommend using a combination of different metrics, including mortality rate, to assess secondary productivity of marsh terracing or other restoration projects. |
Other Citation Details: |
Rozas, L. P., and T. J. Minello. 2009. Using nekton growth as a metric for assessing habitat restoration by marsh terracing. Marine Ecology Progress Series 394:179-193. |
DOI (Digital Object Identifier): | 10.3354/meps08274 |
Document Information
Document Type: | Journal article |
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Format: | Acrobat Portable Document Format |
Status Code: | Published |
Support Roles
Author
Date Effective From: | 2009-11-18 |
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Date Effective To: | |
Contact (Person): | Rozas, Lawrence P |
Co-Author
Date Effective From: | 2009-11-18 |
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Date Effective To: | |
Contact (Person): | Minello, Thomas J |
Distributor
Date Effective From: | 2009-11-18 |
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Date Effective To: | |
Contact (Organization): | Galveston Laboratory (GALLAB) |
Address: |
4700 Avenue U Galveston, TX 77551 United States |
Phone: | 409.766.3500 |
URL: | Hompage Galveston Lab |
Point of Contact
Date Effective From: | 2018 |
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Date Effective To: | |
Contact (Person): | Ditty, James |
Address: |
4700 Avenue U Galveston, TX 77551-5997 |
Email Address: | Jim.Ditty@noaa.gov |
Phone: | 409-766-3782 |
Fax: | 409-766-3508 |
Distribution Information
Distribution 1
Start Date: | 2009-11-16 |
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End Date: | Present |
Download URL: | https://www.int-res.com/articles/meps_oa/m394p179.pdf |
Distributor: | Galveston Laboratory (GALLAB) (2009-11-18 - Present) |
File Name: | m394p179. |
Description: |
MARINE ECOLOGY PROGRESS SERIES Vol. 394: 179–193, 2009 doi: 10.3354/meps08274 |
File Type (Deprecated): | |
Distribution Format: | PDF - Adobe Portable Document Format |
Compression: | Uncompressed |
Review Status: | Chked Viruses Inapp Content |
Catalog Details
Catalog Item ID: | 56584 |
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GUID: | gov.noaa.nmfs.inport:56584 |
Metadata Record Created By: | Lee M Weinberger |
Metadata Record Created: | 2019-06-02 13:24+0000 |
Metadata Record Last Modified By: | SysAdmin InPortAdmin |
Metadata Record Last Modified: | 2023-10-17 16:12+0000 |
Metadata Record Published: | 2021-10-21 |
Owner Org: | SEFSC |
Metadata Publication Status: | Published Externally |
Do Not Publish?: | N |
Metadata Last Review Date: | 2021-10-21 |
Metadata Review Frequency: | 1 Year |
Metadata Next Review Date: | 2022-10-21 |