Geometry and rates of change of fault-generated range fronts, north-central Nevada
Robert E. Wallace
1978, Journal of Research of the U.S. Geological Survey (6) 637-649
Characteristic features of fault-generated range fronts, such as those on the Humboldt and Tobin Ranges, include sets of elongate basins extending normal to the range crest, interbasin spurs having crests sloping 10° to 20° toward the range front, spur facets having slopes of 25° to 35°, basin headwalls having slopes...
New Paleogene pollen species from the Gulf and Atlantic Coastal Plains
Norman O. Frederiksen
1978, Journal of Research of the U.S. Geological Survey (6) 691-695
Four new pollen species are described on the basis of specimens from the Paleocene to early middle Eocene interval of the Gulf and Atlantic Coastal Plains. The species and their known geologic and geographic ranges are Trivestibulopollenitcs fissuratus (Midwayan to early Sabinian, Claibornian?; gulf coast?, Georgia to South Carolina); Pseudoplicapollis...
Late Miocene mollusks from the Queen Charlotte Islands, British Columbia, Canada
Warren O. Addicott
1978, Journal of Research of the U.S. Geological Survey (6) 677-689
A fauna of bivalve mollusks, scattered gastropods, and an echinoid from exposures of the Skonun Formation in the northeastern part of Graham Island is indicative of an early late Miocene age and correlation with the provincial Wishkahan Stage. The molluscan assemblages are from the upper 600 of the 1800-m-thick marine...
An unusually long pursuit of a deer by a wolf
L.D. Mech, M. Korb
1978, Journal of Mammalogy (59) 860-861
No abstract available. ...
Strain in southern California: Measured uniaxial north-south regional contraction
J.C. Savage, W.H. Prescott, M. Lisowski, N. King
1978, Science (202) 883-885
The plate tectonics model of the Pacific moving northwest relative to North America implies that the regional strain in California should be simple shear across a vertical plane striking N45°W or equivalently equal parts of north-south contraction and east-west extension. Measurements of the strain accumulation at seven separate sites in...
Regional implications of Triassic or Jurassic age for basalt and sedimentary red beds in the South Carolina coastal plain
G. S. Gohn, D. Gottfried, M. A. Lanphere, B.B. Higgins
1978, Science (202) 887-890
Whole rock potassium-argon ages for samples of subsurface basalt recovered near Charleston, South Carolina, are interpreted to indicate a Triassic or Jurassic age for the basalt and underlying sedimentary red beds. This age is consistent with existing evidence indicating that an early Mesozoic basin is present in the subsurface of...
Oxygen and carbon isotopic growth record in a reef coral from the Florida Keys and a deep-sea coral from Blake Plateau
C. Emiliani, J.H. Hudson, E.A. Shinn, R.Y. George
1978, Science (202) 627-629
Carbon and oxygen isotope analysis through a 30-year (1944 to 1974) growth of Montastrea annularis from Hen and Chickens Reef (Florida Keys) shows a strong yearly variation in the abundances of both carbon-13 and oxygen-18 and a broad inverse relationship between the two isotopes. Normal annual dense bands are formed during the...
Model aids planners in predicting rising ground-water levels in San Bernardino, California
William F. Hardt, C. B. Hutchinson
1978, Groundwater (16) 424-431
The city of San Bernardino is in a semiarid inland valley about 60 miles (100 kilometers) east of Los Angeles. The southern part of the city is traversed by the San Jacinto fault. Adjacent to the upgradient (northeast) side of the fault is a 10 square mile (26 square kilometers)...
Low-cost computer classification of land cover in the Portland area, Oregon, by signature extension techniques
Leonard J. Gaydos
1978, Journal of Research of the U.S. Geological Survey (6) 815-819
Computer-aided techniques for interpreting multispectral data acquired by Landsat offer economies in the mapping of land cover. Even so, the actual establishment of the statistical classes, or "signatures," is one of the relatively more costly operations involved. Analysts have, therefore, been seeking cost-saving signature extension techniques that would accept training...
A perspective on remote sensing for wildlife management
David M. Carneggie, A. Marmelstein
William T. Pecora, Michael E. Berger, editor(s)
1978, Conference Paper, Pecora IV: Proceedings of the symposium
The Pecora IV Symposium (Applications of Remote Sensing Data to Wildlife Management) conducted October 10-12, 1978, in Sioux Falls, S.D.; provided a perspective on the uses of remote sensing techniques for wildlife management. The task of summarizing the Symposium, which is the objective of this paper, is not simple...
Quantitative wildlife habitat evaluation using high-altitude color infrared aerial photographs
Lawrence R. Pettinger, Adrian Farmer, Mel Schamberger
1978, Conference Paper, Pecora IV: Proceedings of the symposium
The habitat value for elk and sage grouse of two proposed phosphate strip mine sites was determined using habitat parameter measurements from high-altitude color infrared aerial photographs. Habitat suitability was assessed using the Habitat Evaluation Procedures being developed by the U.S. Fish and Wildlife Service. Similar results were...
Trend analysis of vegetation in Louisiana's Atchafalaya river basin
Calvin P. O’Neil, J. Edward deSteiguer, Gary W. North
1978, Pecora IV Proceedings of the Symposium 114-136
The purpose of the study was to determine vegetation succession trends; produce a current vegetation map of the basin; and to develop a mathematical model capable of predicting vegetation changes based on hydrologic factors. A statistical relationship of forests and hydrological variables with forest succession constraints predicted forest acreage...
Characterization of terrestrial vertebrate habitats using remotely sensed imagery
D.A. Asherin, J. E. Roelle, H.L. Short
1978, Book, Pecora IV : application of remote sensing data to wildlife management : proceedings of the Symposium
No abstract available....
Sources of remotely sensed data
EROS Data Center Applications Branch
1978, Pecora IV: Application of Remote Sensing Data to Wildlife Management III-1-III-10
NCIC was established within the USGS to provide a single-point contact source for cartographic-related information, including remotely sensed data. A computerized indexing system, the Aerial Photography Summary Record System (APSRS), shows all holding for Federal agencies, with the long range goal of including data acquired on the state and...
Approaches to remote sensing data analysis
Lawrence R. Pettinger
1978, Pecora IV: Application of Remote Sensing Data to Wildlife Management 1-23-1-30
Objectives: To present an overview of the essential steps in the remote sensing data analysis process, and to compare and contrast manual (visual) and automated analysis methods Rationale: This overview is intended to provide a framework for choosing a manual of digital analysis approach to collecting resource information. It can...
Statistical inference from capture data on closed animal populations
David L. Otis, Kenneth P. Burnham, Gary C. White, David R. Anderson
1978, Wildlife Monographs 3-135
The estimation of animal abundance is an important problem in both the theoretical and applied biological sciences. Serious work to develop estimation methods began during the 1950s, with a few attempts before that time. The literature on estimation methods has increased tremendously during the past 25 years (Cormack...
Metabolic indicators of habitat differences in four Minnesota deer populations
U.S. Seal, M.E. Nelson, L.D. Mech, R.L. Hoskinson
1978, Journal of Wildlife Management (42) 746-754
Blood samples were collected from 40 white-tailed deer (Odocoileus virginianus) from 4 winter yards in northeastern Minnesota from 17 March 1974 through 23 April 1975. The results of 26 blood assays were examined for the effects of age, sex, capture date, capture method, disease and location. Age-related effects were found...
Reappraising factors affecting mourning dove perch coos
M. W. Sayre, R.D. Atkinson, T.S. Baskett, G.H. Haas
1978, Journal of Wildlife Management (42) 884-889
Results confirmed pairing as the primary factor influencing perch-cooing rates of wild mourning doves (Zenaida macroura). Marked unmated males cooed at substantially higher rates (6.2x) than mated males, had greater probability of cooing (2.3x) during 3-minute periods, and continued cooing longer each morning than mated males. Population density was not...
Refraction studies between Icy Bay and Kayak Island, eastern Gulf of Alaska
K.C. Bayer, R.E. Mattick, T.R. Bruns, George Plafker
1978, Journal of Research of the U.S. Geological Survey (6) 625-636
Results of five seismic refraction lines shot by the U.S. Geological Survey in the Gulf of Alaska between Icy Bay and Kayak Island indicate the following: (1) The Continental Shelf is underlain by as much as 11 km of sedimentary rock of probable Tertiary age where refraction velocities range from 1.2 to 5.5 kilometers per...
Earthquake swarm along the San Andreas fault near Palmdale, Southern California, 1976 to 1977
K.C. McNally, H. Kanamori, J.C. Pechmann, G. Fuis
1978, Science (201) 814-817
Between November 1976 and November 1977 a swarm of small earthquakes (local magnitude ≤ 3) occurred on or near the San Andreas fault near Palmdale, California. This swarm was the first observed along this section of the San Andreas since cataloging of instrumental data began in 1932....
Three-dimensional finite-difference model of ground-water system underlying the Muskegon County wastewater disposal system, Michigan
Michael G. McDonald, William B. Fleck
1978, Journal of Research of the U.S. Geological Survey (6) 307-318
The spray irrigation system used by Muskegon County for wastewater treatment is the largest of its kind in the United States. It has 2200 hectares of irrigated farm land, 688 hectares of treatment lagoons, and 105 kilometers of drainage tile. The system has a design capacity of 1.8 cubic meters...
A new species of Myotis from the Islas Tres Marias, Nayarit, Mexico, with comments on variation in Myotis nigricans
Michael A. Bogan
1978, Journal of Mammalogy (59) 519-530
A new Myotis is described from the Islas Tres Marias, Nayarit, Mexico. the new species is distinct from related taxa n the adjacent Mexican mainland (M. californicus, M. leibii, and M. carteri), although most closely related to M. carteri as shown by univariate and canonical variates analyses. An...
Sleeping distance in wolf pairs in relation to the breeding season
L. David Mech, Steven T. Knick
1978, Behavioral Biology (23) 521-525
Changes in sleeping distances in 11 pairs of wild wolves (Canis lupus) were studied to determine if they correlated with stages of the breeding cycle. Aerial radio-tracking and observation were the techniques used. Members of most pairs slept less than 1 m apart at least sometime during proestrus and the...
Topographic maps
Theodore D. Steger
1978, Report
A topographic map is a line-and-symbol representation of natural and selected man-made features of a part of the Earth's surface plotted to a definite scale. A distinguishing characteristic of a topographic map is the portrayal of the shape and elevation of the terrain by contour lines....
Climate and reproduction of grizzly bears in Yellowstone National Park
Harold D. Picton
1978, Nature (274) 888-889
Controversy surrounds the conflicts between the requirements of human safety and the preservation of grizzly bears (Ursus arctos horribilis) in western North America. It has been difficult to separate the effect of factors such as the closure of garbage dumps from that of the climate. It has also proved difficult to...
