Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Richard C. Harrel"'
Publikováno v:
Arthropod Management Tests. 34
Autor:
Richard C. Harrel, Marc A. McConnell
Publikováno v:
Waste Management. 13:524
Publikováno v:
Hydrobiologia. 54:161-167
Physicochemical conditions and benthic macroinvertebrates were studied in the Beaumont, Texas sewage treatment plant from August, 1973 to June, 1974. Physicochemical conditions varied seasonally with the amount of precipitation and discharge from the
Autor:
Roy G. Darville, Richard C. Harrel
Publikováno v:
Hydrobiologia. 69:213-223
A water quality survey was conducted from June, 1977 to May, 1978 on Pine Island and Little Pine Island Bayous of southeast Texas. Generally, good water quality was found. At four locations in the streams, brine seepage was indicated. This tended to
Autor:
Richard C. Harrel, Ellen C. Cover
Publikováno v:
Hydrobiologia. 59:81-95
The sequence of colonization, species diversity (% MathType!MTEF!2!1!+-% feaafiart1ev1aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn% hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr% 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9% vqaqpepm0
Autor:
David Bass, Richard C. Harrel
Publikováno v:
Hydrobiologia. 76:69-79
Water quality of Menard Creek in the Big Thicket National Preserve of southeast Texas was studied from July 1978 to June, 1979 utilizing physicochemical parameters, bacteriological data, and benthic macroinvertebrates.
Autor:
Richard C. Harrel
Publikováno v:
Hydrobiologia. 124:223-228
On December 6, 1981 an oil spill of 160 barrels (25 440 liters) occurred in a small southeast Texas stream. Water quality changes, other than the presence of oil, were not evident until six months later when water temperature increased and stream flo
Publikováno v:
Bulletin of Environmental Contamination and Toxicology. 14:281-284
Autor:
Rodney L. Hassage, Richard C. Harrel
Publikováno v:
Journal of Freshwater Ecology. 3:453-466
The macroinvertebrates of a freshwater canal were analyzed for differentiation of community structure between leaf packs made of water oak, loblolly pine, sweetgum, bald cypress, and black willow. The community responded differently to the various le
Autor:
Cynthia A. McCauley, Richard C. Harrel
Publikováno v:
International Oil Spill Conference Proceedings. 1981:401-407
On January 28, 1979, an oil spill occurred in the lower Neches River near Port Neches, Texas. Southerly winds carried oil into Bessie Heights Marsh affecting some of the vegetation which is primarily Spartina patens. This study was designed to assess