John Pleasants
John Pleasants
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Impact of Bt corn pollen on monarch butterfly populations: a risk assessment
MK Sears, RL Hellmich, DE Stanley-Horn, KS Oberhauser, JM Pleasants, ...
Proceedings of the National Academy of Sciences 98 (21), 11937-11942, 2001
6622001
Milkweed loss in agricultural fields because of herbicide use: effect on the monarch butterfly population
JM Pleasants, KS Oberhauser
Insect Conservation and Diversity 6 (2), 135-144, 2013
4022013
Corn pollen deposition on milkweeds in and near cornfields
JM Pleasants, RL Hellmich, GP Dively, MK Sears, DE Stanley-Horn, ...
Proceedings of the National Academy of Sciences 98 (21), 11919-11924, 2001
3132001
Temporal and spatial overlap between monarch larvae and corn pollen
KS Oberhauser, MD Prysby, HR Mattila, DE Stanley-Horn, MK Sears, ...
Proceedings of the National Academy of Sciences 98 (21), 11913-11918, 2001
2962001
Competition for bumblebee pollinators in Rocky Mountain plant communities
JM Pleasants
Ecology 61 (6), 1446-1459, 1980
2181980
Nectar production patterns in Ipomopsis aggregata (Polemoniaceae)
JM Pleasants
American Journal of Botany 70 (10), 1468-1475, 1983
2011983
Bumblebee response to variation in nectar availability
JM Pleasants
Ecology 62 (6), 1648-1661, 1981
1961981
Nectar production rates of Asclepias quadrifolia: causes and consequences of individual variation
JM Pleasants, SJ Chaplin
Oecologia 59 (2-3), 232-238, 1983
1841983
Genetic diversity in a clonal narrow endemic, Erythronium propullans, and in its widespread progenitor, Erythronium albidum
JM Pleasants, JF Wendel
American Journal of Botany 76 (8), 1136-1151, 1989
1771989
Patchiness in the dispersion of nectar resources: evidence for hot and cold spots
JM Pleasants, M Zimmerman
Oecologia 41 (3), 283-288, 1979
1241979
Quasi-extinction risk and population targets for the Eastern, migratory population of monarch butterflies (Danaus plexippus)
BX Semmens, DJ Semmens, WE Thogmartin, R Wiederholt, ...
Scientific reports 6 (1), 1-7, 2016
1172016
Milkweed restoration in the Midwest for monarch butterfly recovery: estimates of milkweeds lost, milkweeds remaining and milkweeds that must be added to increase the monarch …
J Pleasants
Insect Conservation and Diversity 10 (1), 42-53, 2017
1002017
Restoring monarch butterfly habitat in the Midwestern US:‘all hands on deck’
WE Thogmartin, L López-Hoffman, J Rohweder, J Diffendorfer, R Drum, ...
Environmental Research Letters 12 (7), 074005, 2017
942017
Learning Strategies and Other Factors Influencing Achievement via Web Courses.
CC Shih, T Ingebritsen, J Pleasants, K Flickinger, G Brown
931998
Monarch butterfly population decline in North America: identifying the threatening processes
WE Thogmartin, R Wiederholt, K Oberhauser, RG Drum, JE Diffendorfer, ...
Royal Society open science 4 (9), 170760, 2017
922017
Null‐model tests for competitive displacement: the fallacy of not focusing on the whole community
JM Pleasants
Ecology 71 (3), 1078-1084, 1990
691990
Optimal foraging by nectarivores: a test of the marginal-value theorem
JM Pleasants
The American Naturalist 134 (1), 51-71, 1989
691989
Evidence for short-distance dispersal of pollinia in Asclepias syriaca L.
JM Pleasants
Functional Ecology, 75-82, 1991
581991
Structure of plant and pollinator communities
JM Pleasants
Handhook of experimental pollination biology, 375-393, 1983
561983
Interpreting surveys to estimate the size of the monarch butterfly population: Pitfalls and prospects
JM Pleasants, MP Zalucki, KS Oberhauser, LP Brower, OR Taylor, ...
PLoS One 12 (7), e0181245, 2017
512017
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Artiklar 1–20