Maintenance Dredging Effects On Vegetation Adjacent To The Gulf Intracoastal Waterway - Cedar Lakes Section

Vaughan, Randy; Kimber, Clarissa

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Maintenance Dredging Effects On Vegetation Adjacent To The Gulf Intracoastal Waterway - Cedar Lakes Section

[PDF-2.17 MB]

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Personal Author:

Vaughan, Randy ; Kimber, Clarissa

Vaughan, Randy ; Kimber, Clarissa Less -
Corporate Authors:

Texas A & M University, Sea Grant College Program, ; National Sea Grant Program (U.S.)

Texas A & M University, Sea Grant College Program, ; National Sea Grant Program (U.S.) Less -
NOAA Program & Office:

Sea Grant ; OAR (Oceanic and Atmospheric Research)

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

TAMU (Texas Sea Grant) ; NSGO/NSGLC (National Sea Grant)

TAMU (Texas Sea Grant) ; NSGO/NSGLC (National Sea Grant) Less -
Description:

The relationship of spoil deposition and bank erosion to habitat condition and vegetation is examined in six sites along the Gulf Intracoastal Waterway in Brazoria County, Texas. Fourteen mappable plant assemblages were identified by cluster analysis of data obtained along 100-meter transects and verified in the field. Species frequencies for these plant assemblages are presented in histograms and compared with environmental data collected along these same transects. Vegetation maps of an abstract nature depict the pattem of assemblages for each site. Vegetation and habitat data from the individual sites, viewed in the context of historical land use and modification in the general study area, indicate that soil moisture is the limiting factor for plant growth both past and present. Deposition of spoil on the canal banks has led to less uniform and more dynamic conditions of soil moisture and has increased the range of soil moisture potentials. Spray from passing boats and bank erosion has added a new dimension of wetting and drying along the canal. These effects are observable in the pattern of vegetation. Alternatives for the placement and management of spoil materials are presented which allow some control over the distribution and composition of vegetation.
Keywords:

[+]

Coastal Plants Dredging Spoil Salt Marsh Ecology
Series:

TAMU-SG ; 77-207
Document Type:

Miscellaneous
Funding:

Funding: NOAA Office of Sea Grants; grant number: 04-6-158-44012;
Place as Subject:

Gulf Intracoastal Waterway
Rights Information:

Public Domain
Compliance:

Library
Main Document Checksum:

[+]

urn:sha256:bca3bbbbac8e557b4db306b6cddd59c35eb31179b624982eac32d84bb8b0797c
Download URL:

https://repository.library.noaa.gov/view/noaa/12842/noaa_12842_DS1.pdf
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Maintenance Dredging Effects On Vegetation Adjacent To The Gulf Intracoastal Waterway - Cedar Lakes Section

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