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Articles 931 - 956 of 956
Full-Text Articles in Entire DC Network
Ivory, Elephants, And Men (A Book Soon To Be Published), Kenneth C. Wylie
Ivory, Elephants, And Men (A Book Soon To Be Published), Kenneth C. Wylie
Elephant
Topical preview of the titular tome.
Eratta And Comments For Elephant Newsletter No. 2, Elephant Editors
Eratta And Comments For Elephant Newsletter No. 2, Elephant Editors
Elephant
List of known errors for Elephant 1.1, w/ additional comments.
Elephant Library, Elephant Editors
Elephant Library, Elephant Editors
Elephant
First mention of the future Elephant Library at the Wayne State University Library System
Ban The Ivory Campaign, Elephant Editors
Ban The Ivory Campaign, Elephant Editors
Elephant
Timeline and details of the Ban The Ivory campaign.
Present Status Of The Asian Elephant (Elephas Maximus Linneaus, 1758), Robert C. D. Olivier
Present Status Of The Asian Elephant (Elephas Maximus Linneaus, 1758), Robert C. D. Olivier
Elephant
Summary of the distribution, population, habitat, conservation, etc. of the Asian Elephant.
Erratum, Elephant Editors
Erratum, Elephant Editors
Elephant
Correction of the location of the Elephant Symposium at the 59th Annual Meeting of the ASM to Corvallis from Portland, Oregon.
Captive Elephant Population, Elephant Editors
Captive Elephant Population, Elephant Editors
Elephant
Survey of elephants in captivity, 1978.
Elephants In The Plant World, Dale J. Osborn
Elephants In The Plant World, Dale J. Osborn
Elephant
Survey of plants named for features that recall the elephant.
Oil-Soaked Birds Saved: Hsus Participates In Historic Bird Rescue
Oil-Soaked Birds Saved: Hsus Participates In Historic Bird Rescue
Close Up Reports
As the world watched the black tide of crude oil from the Amoco Cadiz devastate bird life along the French coast, HSUS staffer Guy Hodge was reporting to Congress about efforts to save oil-soaked birds in a recent Chesapeake Bay oil spill. A barge (ATC- 133) carrying nearly 500,000 gallons of crude had run aground south of the Maryland-Virginia border. Some of its cargo spilled into this North American waterfowl wintering area.
Together with HSUS cruelty investigator Phil Steward, Hodge had assisted in the most successful on-site bird rescue operation in history. One out of every three rescued birds was …
The Prairie Naturalist Vol. 9, Nos. 3 And 4. September-December, 1977
The Prairie Naturalist Vol. 9, Nos. 3 And 4. September-December, 1977
The Prairie Naturalist
UPLAND NESTING OF AMERICAN BITTERNS, MARSH HAWKS, AND SHORT-EARED OWLS ▪ H. F. Duebbert and J. T. Lokemoen
ROADSIDE NESTING BY PRAIRIE GROUSE IN NORTHWEST MINNESOTA ▪ W. D. Svedarsky
BOHEMIAN WAXWING POPULATIONS AND WINTER ECOLOGY IN NORTH DAKOTA ▪ E. L. Bakke
AGEING ARCHAEOLOGICAL BISON BY DENTAL ANNULI ▪ J. C. Pigage and M. G. McKenna
COMPARISON OF COYOTE AND COYOTE X DOG HYBRID FOOD HABITS IN SOUTHEASTERN NEBRASKA ▪ B.R. Mahan
NOTES
Abnormal Mid-May Occurrence of White-fronted Geese in Sheridan County, North Dakota ▪ D.P. Kibbe and J. A. Roppe
Common Grackle Preys on Spotted Sandpiper Chick ▪ …
Plant Dioecy, Ecology, Evolution And Sex Reversal, D. Carl Freeman
Plant Dioecy, Ecology, Evolution And Sex Reversal, D. Carl Freeman
Theses and Dissertations
The distribution of dioecious species among forty-four plant communities of western United States was examined. The dioecious habit is most prevalent in harsh environments. In many communities, over 20 percent of the species and 40 percent of the individuals are dioecious. Dioecy is most common among woody species which are pollinated by wind. It is concluded that inbreeding depression alone is insufficient to account for all known facts concerning dioecy. Disruptive selection acting upon differential success of gametes produced on sites of differing quality appears to have played a major role in producing separate sexed individuals. Dioecious species reported to …
Mammalian Dispersal And The Ontogeny Of Individual Behavioral Phenotypes, Marc Bekoff
Mammalian Dispersal And The Ontogeny Of Individual Behavioral Phenotypes, Marc Bekoff
Ethology Collection
Explanations of dispersal mechanisms in mammals that have stressed the importance of aggression by dominant (?) individuals as the immediate cause of the dispersal of less aggressive (more subordinate?) individuals are insufficient for explaining recent data collected on a variety of mammals. In fact, avoidance of social interaction at the time of dispersal is more characteristic of some species in which individuals emigrate. Studies that have investigated genetic correlates of dispersal in rodent populations that undergo regular cycles are few and have not provided any "causative" explanations. In various canids and rodents, behavioral interactions at the time of dispersal do …
Meeting Of The Elephant Interest Group At Michigan State University, June 21, 1977, Jeheskel Shoshani
Meeting Of The Elephant Interest Group At Michigan State University, June 21, 1977, Jeheskel Shoshani
Elephant
Digest of the minutes of the first informal meeting of the Elephant Interest Group at the 57th Annual Meeting of the American Society of Mamalogists (ASM).
Struggle To Save Dolphins Continuing
Struggle To Save Dolphins Continuing
Close Up Reports
The Humane Society of the United States has initiated a nationwide boycott of a tuna products until real progress is made in reducing the needless slaughter of porpoises in tuna nets.
In the Spring of 1976, HSUS first asked its members to refrain from buying tuna because of the high porpoise mortality and the tuna industry's unwillingness to adopt any research porpoise-saving procedures. Recently, HSUS Program Coordinator Patricia Forkan called for a nationwide boycott of tuna.
The Prairie Naturalist Volume 9, No. 2. June 1977
The Prairie Naturalist Volume 9, No. 2. June 1977
The Prairie Naturalist
PROPAGULE DISPERSAL AMONG FOREST ISLANDS IN SOUTHEASTERN SOUTH DAKOTA ▪ J. W. Ranney and W. C. Johnson
GENERAL WEATHER CONSIDERATIONS FOR THE PRESCRIDED BURNING OF PRAIRIE IN NORTHWEST MINNESOTA ▪ W. D. Svedarsky and R. W. Sands
YELLOW-CROWNED NIGHT HERONS SIGHTED IN NORTH DAKOTA ▪ D. G. Jorde, G. L. Krapu, and R. K. Green
The Prairie Naturalist Volume 9, No. 1. March 1977
The Prairie Naturalist Volume 9, No. 1. March 1977
The Prairie Naturalist
NESTING BY FERRUGINOUS HAWKS AND OTHER RAPTORS ON HIGH VOLTAGE POWERLINE TOWERS ▪ D. S. Gilmer and J. M. Wiebe
ARTHROPODS CONSUMED BY AN IMMATURE MARBLED GODWIT ▪ R. M. Timm and R. M. Zink
NOTES
Black-headed Grosbeak in Jamestown, North Dakota ▪ R. Lender
Summer Record of Red-breasted Nuthatch in North Dakota ▪ R. Lender
BOOK REVIEWS
Minnesota's Wild Flowers ▪ Staff
In Search of Eagles ▪ J. Lokemoen
Forest and Range Research ▪ Staff
An Economic Analysis of Recycling ▪ Staff
Vegetation And Environmental Features Of Forest And Range Ecosystems, George A. Garrison, Ardell J. Bjugstad, Don A. Duncan, Mont E. Lewis, Dixie R. Smith
Vegetation And Environmental Features Of Forest And Range Ecosystems, George A. Garrison, Ardell J. Bjugstad, Don A. Duncan, Mont E. Lewis, Dixie R. Smith
Aspen Bibliography
This is one of the reports developed as part of the Forest-Range Environmental Study (FRES) of the Forest Service, U.S. Department of Agriculture. This report presents descriptive sketches of 34 soil-vegetation units, called ecosystems. These cover all the land area of the 48 contiguous States.
Live Trap Preference Among Grassland Mammals, Robert K. Rose, Norman A. Slade, James H. Honacki
Live Trap Preference Among Grassland Mammals, Robert K. Rose, Norman A. Slade, James H. Honacki
Biological Sciences Faculty Publications
In two independent studies, small mammals of grassland communities in eastern Kansas, when given a choice, preferred Fitch to Sherman live traps. Except for the harvest mice in the demographic study, the type of preferred trap and magnitude of selection was remarkably comparable, with microtines showing slight, and cricetines strong, preferences overall. The merits of each type of trap are compared, and related to season, weather, prior experience, and trap-associated mortality.
The Prairie Naturalist Volume 8, Nos. 1 And 2. March-June 1976
The Prairie Naturalist Volume 8, Nos. 1 And 2. March-June 1976
The Prairie Naturalist
THE POTAMOGETONACEAE IN NORTH DAKOTA ▪ G. E. Larson
NOTES
January Record for Western Grebe at Amenia, North Dakota ▪ J. M. Wiehe and J. F. Cassel
An Observation of Possible Mallard Adoption ▪ R. A. Stromstad
Unusual Mortality in California Gulls ▪ G. R. Lingle
Great Horned Owl Predation of Penned Gray Partridge ▪ J. W. Schulz
BOOK REVIEWS
North Dakota's Own Bird Book ▪ B. and A. Gammell
North Dakota's Wildlife ▪ Staff
A New Bird Book for Minnesota ▪ D. H. Johnson
Two New Waterfowl Books ▪ T. J. Dwyer
Two Canadian Bird References ▪ Staff
Canadian …
The Prairie Naturalist Vol. 7 , Nos. 2 And 3. June-September, 1975
The Prairie Naturalist Vol. 7 , Nos. 2 And 3. June-September, 1975
The Prairie Naturalist
VASCULAR FLORA OF EMMONS COUNTY, NORTH DAKOTA ▪ R. P Williams and W. T. Barker
NOTES
Unusual Nesting Site of Barn Swallows ▪ W. A. Buresh
Summer Tanager in Burleigh County, North Dakota ▪ W. A. Buresh
Additional Record of Summer Tanager in North Dakota ▪ J. F. Cassel
Snowy Owl in McHenry County, North Dakota, in May ▪ W. A. Buresh
The Ecology Of The Dominant Tick Species In The Northwestern Portion Of The Dismal Swamp National Wildlife Refuge, Mary Keith Garrett
The Ecology Of The Dominant Tick Species In The Northwestern Portion Of The Dismal Swamp National Wildlife Refuge, Mary Keith Garrett
Biological Sciences Theses & Dissertations
Elements of the ecology of the two dominant man-biting ticks were studied during 1971-1973 in two locations in Southeastern Virginia, namely, what is now the Dismal Swamp National Wildlife Refuge and Newport News City Park. Tick species composition, relative abundance, density, and distribution in the two areas were compared. In addition, the Dismal Swamp locality was used as a test area for studies on the survival of native, lab reared and translocated Dermacentor variabilis (Say) and Amblvomma americanum (L.) in relation to selected abiotic factors. The Newport News locality served as a control area for these studies.
The species …
Inventory Of Lake Studies In Maine, Charles F. Wallace Jr., James M. Strunk
Inventory Of Lake Studies In Maine, Charles F. Wallace Jr., James M. Strunk
Maine Collection
Inventory of Lake Studies in Maine
By Charles F. Wallace, Jr. and James M. Strunk
State Planning Office, Water Resources Planning Division, July 1973.
"Printed under Appropriation Number 4248.5 and financially assisted by planning grants from the United States Water Resources Council Title III funds."
Contents: Introduction / Investigating Agencies / Federal Agencies / State Agencies / Regional Planning Commissions and Economic Development Districts / Maine Colleges and Universities / Private / Other Private / Other / Appendices
The Prairie Naturalist Volume 4, Nos. 3 And 4. September–December 1972
The Prairie Naturalist Volume 4, Nos. 3 And 4. September–December 1972
The Prairie Naturalist
THE SANDHILL CRANE WITH EMPHASIS ON ASPECTS
RELATED TO NORTH DAKOTA ▪ Douglas H. Johnson and Robert E. Stewart
SIZE AND COLORATION CHARACTERISTICS OF NEOTENIC SALAMANDERS IN DEVILS LAKE, N. D. ▪ Douglas W. Larson
BIRDS' EGGS: AN AID TO NATURE APPRECIATION ▪ S. O. Kolstoe
BIRD MORTALITY AT FOUR TOWERS IN EASTERN NORTH DAKOTA — FALL 1972 ▪ Michael Avery and Tom Clement
POPULATION IRRUPTION OF THE LEAST WEASEL (Mustela nivalis) IN EAST CENTRAL NORTH DAKOTA ▪ John T. Lokemoen and Kenneth F. Higgins
Relative Efficiency Of Roots And Tops Of Plants In Protecting . The Soil From Erosion, Joseph Kramer, J. E. Weaver
Relative Efficiency Of Roots And Tops Of Plants In Protecting . The Soil From Erosion, Joseph Kramer, J. E. Weaver
Papers of John E. Weaver (1884–1956)
An increasing realization of the importance of preventing or controlling soil erosion has resulted in numerous scientific investigations. Some of these are concerned with soil characteristics which promote or retard erosivity (Middleton, '30; Middleton et al., '34; Lutz, '34; and Bouyoucos, '35). Many have to do with engineering methods of reducing soil wastage (Bates and Zeasman, '30; Ramser, '30; Roe, '33; and Bartel, '35). But perhaps most were planned to discover the effects of plants in protecting and binding the soil, reducing runoff, and consequent loss of soil and subsoil (Sampson and Weyl, '18; Duley and Miller, '23; Lowdermilk, …
Ecological Relations In The Pitch Pine Plains Of Southern New Jersey, Harold J. Lutz
Ecological Relations In The Pitch Pine Plains Of Southern New Jersey, Harold J. Lutz
Yale School of the Environment Bulletin Series
An investigation was undertaken with the primary object of determining the factors responsible for the peculiar development of the vegetation in the Plains community. The conclusion ·is reached that the Plains areas are capable of supporting forest growth similar to that in the Pine Barrens. Inasmuch as the Plains owe their continued existence to repeated fires, it is obvious that effective fire protection is the first and most important step toward their rehabilitation.
Trends And Silvicultural Significance Of Upland Forest Successions In Southern New England, Harold J. Lutz
Trends And Silvicultural Significance Of Upland Forest Successions In Southern New England, Harold J. Lutz
Yale School of the Environment Bulletin Series
The problems encountered in the silvicultural treatment of southern New England forests are many. They result largely from the extremely diverse and complex conditions under which the forest is developed. Due to the glaciated nature of the region the soil character changes radically within relatively short distances. With changes in soil from place to place come minor changes of forest composition. One of the chief reasons for the problems which the silviculturalist encounters in this region is the large number of species which make up the stands. There are approximately thirty commercially important forest trees in southern New England. The …