http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Seagrass habitat utilization by fishes in Christmas Bay, Texas
xiv, 93 leaves : illustrations, maps ; 28 cm.
,Cumulative sampling effort yielded 2139 fishes comprised of
29 species in 15 families. Overall density of 17.8 fish/m2
Although any one month may have been characterized by a
and pinfish (Lagodon rhomboides) represented 7 1 % of the
and salinity (> 25 ppt) readings during summer. Seagrass
Atlantic and Gulf of Mexico seagrass habitats. Individual
biomass, in contrast to hydrographical conditions, exhibited
density was low while species density was high (9.7
diversity were not evident. Water temperature and salinity
effect of seagrass biomass on population parameters.
exerted significant effects on fishes in Christmas Bay, with
fall yielding peak seasonal in-plot averages. A total of 5
Fishes in Christmas Bay, TX were collected during April 1994
goby (Gobionellus boleosoma), code goby (Gobiosoma robustum),
history stages of commercially and recreationally important
in Christmas Bay was higher than those reported from several
lowest catches concurrent with highest temperature (> 30 C)
mean species/m2 varied from 2.6 (July) to 5.4 (October), with
means ranged from 73.7 (summer) to 243.3 (spring) fish/month
no significant effect on fish population parameters. Darter
parameters and hydrographic conditions; and 3) evaluate
plots yielded between 0 and 108 fish/m2; monthly mean catch
provided vital nursery habitat to a diverse fish assemblage.
ranged from 3.6 (July) to 31.5 (March) fish/m2. Seasonal
ranged from 6.3 (winter) to 10.3 (fall). Individual sample
relationship between variability in fish population
sample plots yielded between 0 and 8 species while monthly
seagrass habitat. Other fishes, including certain life
sparse ichthyofauna, Christmas Bay seagrass beds annually
species, used seagrass habitat for limited durations.
species/m2). Distinct seasonal trends in biomass and species
their density, biomass, and diversity; 2) define the
through March 1995 to: 1) assess temporal variability in
to 13 species was collected per month while seasonal averages
total catch and appeared to exhibit sequential usage of
with between 67 and 373 fish collected monthly. Summer fish
"Major subject: Wildlife and Fisheries Sciences".
Issued also on microfiche from Lange Micrographics.