Publications
This is a list of publications written by Patuxent employees since Patuxent opened in 1939. To search for Patuxent's publications by author or title, please click below to go to the USGS Publication Warehouse.
Filter Total Items: 8128
Panel: Standards for adequate coverage Panel: Standards for adequate coverage
No abstract available.
Authors
C.S. Robbins
Optimal stochastic control in natural resource management: Framework and examples Optimal stochastic control in natural resource management: Framework and examples
A framework is presented for the application of optimal control methods to natural resource problems. An expression of the optimal control problem appropriate for renewable natural resources is given and its application to Markovian systems is presented in some detail. Three general approaches are outlined for determining optimal control of infinite time horizon systems and three...
Authors
B. Kenneth Williams
Review of grasshopper pesticides vs rangeland wildlife and habitat Review of grasshopper pesticides vs rangeland wildlife and habitat
No abstract available.
Authors
L. C. McEwen
Plastic bags in the intestinal tracts of leatherback marine turtles Plastic bags in the intestinal tracts of leatherback marine turtles
No abstract available.
Authors
T. H. Fritts
Inorganic and organic mercury chloride toxicity to Coturnix: Sensitivity related to age and quantal assessment of physiologic responses Inorganic and organic mercury chloride toxicity to Coturnix: Sensitivity related to age and quantal assessment of physiologic responses
The toxicities of mercuric chloride (HgCl(,2)) and methylmercuric chloride (CH(,3)HgCl) were compared for coturnix (Coturnix coturnix japonica) from hatching to adulthood. Comparisons were based on: (1) Median lethal dosages (LD50) derived by administering single peroral and single intramuscular dosages of mercury, (2) median lethal concentrations (LC50) derived by feeding mercury for 5...
Authors
E. F. Hill
Embryotoxic and biochemical effects of waste crankcase oil on birds' eggs Embryotoxic and biochemical effects of waste crankcase oil on birds' eggs
Waste crankcase oil (WCO) is a major source of oil pollution in both the aquatic and terrestrial environment and has been implicated in the poisoning of mammals and fish. It is also mutagenic. Since birds' eggs are highly sensitive to external microliter applications of environmentally polluting oils, we examined the developmental effects of external applications of WCO on eggs of the...
Authors
D. J. Hoffman, W. C. Eastin, M. L. Gay