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Articles 1 - 30 of 43
Full-Text Articles in Life Sciences
Pollen Manipulation And Related Activities And Structures In Bees Of The Family Apidae, Charles D. Michener, Mark L. Winston, Rudolf Jander
Pollen Manipulation And Related Activities And Structures In Bees Of The Family Apidae, Charles D. Michener, Mark L. Winston, Rudolf Jander
Mi
No abstract provided.
The Classification Of Halictine Bees: Tribes And Old World Nonparasitic Genera With Strong Venation, Charles D. Michener
The Classification Of Halictine Bees: Tribes And Old World Nonparasitic Genera With Strong Venation, Charles D. Michener
Mi
No abstract provided.
An Evaluation Of Processed Aspen Chips As A Source Of Roughage For Lactating Cows, L.J. Fisher
An Evaluation Of Processed Aspen Chips As A Source Of Roughage For Lactating Cows, L.J. Fisher
Aspen Bibliography
No abstract provided.
A Comparative Anatomical Study Of Mandibular Structure In Bees, Charles D. Michener, Anne Fraser
A Comparative Anatomical Study Of Mandibular Structure In Bees, Charles D. Michener, Anne Fraser
Mi
No abstract provided.
The Parasitic Groups Of Halictidae (Hymenoptera, Apoidea), Charles D. Michener
The Parasitic Groups Of Halictidae (Hymenoptera, Apoidea), Charles D. Michener
Mi
No abstract provided.
Proceedings From The 15th Annual Marschall Invitational Italian Cheese Seminar 1977, Various Authors
Proceedings From The 15th Annual Marschall Invitational Italian Cheese Seminar 1977, Various Authors
Cheese Industry Conference
No abstract provided.
The Application Of Ecosym Vegetation Classification To Rangelands Near Price, Utah, Don Shute, Neil E. West
The Application Of Ecosym Vegetation Classification To Rangelands Near Price, Utah, Don Shute, Neil E. West
Memorandum
No abstract provided.
Alternatives For Ecosystem Classification And Their Use In Developing Rangeland Inventory And Management Planning Approaches, Neil E. West
Alternatives For Ecosystem Classification And Their Use In Developing Rangeland Inventory And Management Planning Approaches, Neil E. West
Memorandum
No abstract provided.
Desert Biome Aquatic Program: A Literature Search For Biological And Physical Parameters For Use In Estimation Of Zooplankton Production, J. Anne Holman
Desert Biome Aquatic Program: A Literature Search For Biological And Physical Parameters For Use In Estimation Of Zooplankton Production, J. Anne Holman
Memorandum
No abstract provided.
Effect Of Cold Storage On Development Of Suckers On Aspen Root Cuttings, George A. Schier, R.B. Campbell
Effect Of Cold Storage On Development Of Suckers On Aspen Root Cuttings, George A. Schier, R.B. Campbell
Aspen Bibliography
The effect of cold storage on suckering ability of excised roots was determined for 10 aspen clones. Root cuttings were collected in June, August, and October and stored for from 7 to 42 days at 2°C. In addition, cuttings from dormant trees were stored for 175 days to determine if they had cold requirements for suckering. Among clones, there were large differences in capacity to produce root suckers. Cold storage had a small but significant effect on the formation and growth of suckers on root cuttings collected in June and August. As a rule, clones responded similarly to cold storage. …
Mirid Fauna Associated With Old-Field Goldenrods (Solidago: Compositae) In Ithaca, N.Y., Frank J. Messina
Mirid Fauna Associated With Old-Field Goldenrods (Solidago: Compositae) In Ithaca, N.Y., Frank J. Messina
Biology Faculty Publications
The mirid fauna associated with oldfield goldenrods (Solidago spp.) was sampled from May 10-Oct. 25, 1977 in Ithaca, New York USA . Species (23) belonging to 16 genera were recorded; 97% of all individuals (1099) belong to 6 genera (Lygus, Slaterocoris, Lopidea, Plagiognathus, Adelphocoris and Polymerus). The tarnished plant bug, Lygus lineolaris, was the most common species. The dominant mirids can be divided into 2 fairly distinct guilds, L. lineolaris, 2 Plagiognathus spp. and A. rapidus feeding primarily on goldenrod flowers and 3 Slaterocoris spp., Lopidea media and Polymerus venaticus feeding on the immature foliage. The phenological pattern exhibited by …
Vegetative Propagation Of Rocky Mountain Aspen, George A. Schier
Vegetative Propagation Of Rocky Mountain Aspen, George A. Schier
Aspen Bibliography
No abstract provided.
Spatial Pattern And Population Dynamics Of Populus-Tremuloides In A Saskatchewan Canada Aspen Grove, O.W. Archibold, M.R. Wilson
Spatial Pattern And Population Dynamics Of Populus-Tremuloides In A Saskatchewan Canada Aspen Grove, O.W. Archibold, M.R. Wilson
Aspen Bibliography
The spatial pattern of nine 5-yr age-classes of trees in a grove of Trembling Aspen (Populus tremuloides) was studied by applying nearest-neighbor analysis to a transect.
Five-Year Growth And Development In A Virgin Arizona Mixed Conifer Stand, G.J. Gottfried
Five-Year Growth And Development In A Virgin Arizona Mixed Conifer Stand, G.J. Gottfried
Aspen Bibliography
No abstract provided.
Thinning Strategies For Aspen [Populus Tremuloides In The Lake States]: A Prediction Model, Donald A. Perala
Thinning Strategies For Aspen [Populus Tremuloides In The Lake States]: A Prediction Model, Donald A. Perala
Aspen Bibliography
Quaking aspen (Populus tremuloides Michx.) occurs extensively in the Lake States, the northeastern United States, and the Rocky Mountains, as well as over most of Canada.
Equations For Estimating Stand Establishment, Release, And Thinning Costs In The Lake States, Jeffrey T. Olson, Allen L. Lundgreen, Dietmar Rose
Equations For Estimating Stand Establishment, Release, And Thinning Costs In The Lake States, Jeffrey T. Olson, Allen L. Lundgreen, Dietmar Rose
Aspen Bibliography
No abstract provided.
Preliminary Assessment Of Defect Variation Among Aspen Clones In Northern Ontario, Jerry A. Kemperman, S. Navratil, J.T. Basham
Preliminary Assessment Of Defect Variation Among Aspen Clones In Northern Ontario, Jerry A. Kemperman, S. Navratil, J.T. Basham
Aspen Bibliography
No abstract provided.
A Hydrologic Model Of Aspen-Conifer Succession In The Western United States, Richard A. Jaynes
A Hydrologic Model Of Aspen-Conifer Succession In The Western United States, Richard A. Jaynes
Aspen Bibliography
No abstract provided.
Comprehensive Tree Volume Equations For Major Species Of New Mexico And Arizona. I. Results And Methodology. Ii. Tables For Unforked Trees, D.W. Hann, B.B. Bare
Comprehensive Tree Volume Equations For Major Species Of New Mexico And Arizona. I. Results And Methodology. Ii. Tables For Unforked Trees, D.W. Hann, B.B. Bare
Aspen Bibliography
Selected volume tables for unforked trees are presented for major species of New Mexico and Arizona. The volume equations used to derive these tables are describe in the companion publication, "Comprehensive tree volume equations for major species of New Mexico and Arizona: I. Results and Methodology."
Aspen And Balsam Poplar [Populus Tremuloides; P. Balsamifera] Seed Collection And Storage, J. Denheyer, N. Seymour
Aspen And Balsam Poplar [Populus Tremuloides; P. Balsamifera] Seed Collection And Storage, J. Denheyer, N. Seymour
Aspen Bibliography
No abstract provided.
Suitability Analysis And Wildland Classification: An Approach, D.R. Betters, J.L. Rubingh
Suitability Analysis And Wildland Classification: An Approach, D.R. Betters, J.L. Rubingh
Aspen Bibliography
The determination of wildland suitability for various uses and their proper classification for use is becoming increasingly important to planning.
A System For Predicting The Amount Of Phellinus (Fomes) Igniarius Rot In Trembling Aspen Stands, Robert L. Anderson, Arthur L. Schipper, Jr.
A System For Predicting The Amount Of Phellinus (Fomes) Igniarius Rot In Trembling Aspen Stands, Robert L. Anderson, Arthur L. Schipper, Jr.
Aspen Bibliography
The occurrence of Phellinus (Fomes) igniarius white trunk rot in 45- to 50-year-old trembling aspen stands can be predicted by applying a constant to the stand basal area with P. igniarius rot. Future decay projections can be made by reapplying the basal area of hidden delay for each 6 years projected. This paper describes the methods used to determine the constant and how to use it in the field.
Biomass And Nutrient Distribution In Aspen, Pine, And Spruce Stands On The Same Soil Type In Minnesota, David H. Alban, Donald A. Perala, Bryce E. Schlaegel
Biomass And Nutrient Distribution In Aspen, Pine, And Spruce Stands On The Same Soil Type In Minnesota, David H. Alban, Donald A. Perala, Bryce E. Schlaegel
Aspen Bibliography
Vegetation and soils were sampled in adjacent 40-year-old stands of red pine (Pinus resinosa Ait.), jack pine (Pinus banksiana Lamb.), white spruce (Picea glauca (Moench.) Voss), and aspen (Populus tremuloides Michx., P. grandidentata Michx.) on a very fine sandy loam soil in north-central Minnesota. Total tree biomass was greatest for red pine followed by by aspen, spruce, and jack pine. Nutrient weights (N, P, K, Ca, Mg) in the trees were greatest in aspen followed generally by spruce, red pine, and jack pine. Particularly large proportions of biomass and nutrients were found in aspen bark and …
Aspen Sucker Production And Growth From Outplanted Root Cuttings, Donald A. Perala
Aspen Sucker Production And Growth From Outplanted Root Cuttings, Donald A. Perala
Aspen Bibliography
Aspen suckers from 1-m-long root cuttings survived and grew better than those from 12.5-cm-long cuttings. Sucker survival and growth were also inversely related to parent root diameter. Discusses the practical implications for aspen management.
Environmental And Successional Relations Of Aspen Communities In Central And Northern Utah, Jan A. Henderson
Environmental And Successional Relations Of Aspen Communities In Central And Northern Utah, Jan A. Henderson
Aspen Bibliography
Aspen (Populus tremuloides) is a major forest cover type in central and northern Utah. It comprises about 35% of the forest dominated land in this area. It is mostly non-commercial timberland, but has moderately high values for watershed protection, range and wildlife values.
Determining Potential Wildlife Benefits From Wildfire In Arizona Ponderosa Pine Forests, Philip O. Lowe, Peter F. Ffolliott, John H. Dieterich, David R. Patton
Determining Potential Wildlife Benefits From Wildfire In Arizona Ponderosa Pine Forests, Philip O. Lowe, Peter F. Ffolliott, John H. Dieterich, David R. Patton
Aspen Bibliography
No abstract provided.
A Firm Stand For The Quaking Aspen, Robert F. Jones
A Firm Stand For The Quaking Aspen, Robert F. Jones
Aspen Bibliography
No abstract provided.
Assessment Of Regeneration Stocking Standards Used In Alberta: A Follow-Up, I. E. Bella, J. P. Defranceschi
Assessment Of Regeneration Stocking Standards Used In Alberta: A Follow-Up, I. E. Bella, J. P. Defranceschi
Aspen Bibliography
No abstract provided.
Characterizing The Growth Dynamics Of Lake States Aspen, Thomas Edward Burk
Characterizing The Growth Dynamics Of Lake States Aspen, Thomas Edward Burk
Aspen Bibliography
No abstract provided.
Root Suckering In Young Aspen, Girdled, Defoliated, And Decapitated At Various Seasons, George A. Schier
Root Suckering In Young Aspen, Girdled, Defoliated, And Decapitated At Various Seasons, George A. Schier
Aspen Bibliography
No abstract provided.