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John Pleasants
John Pleasants
Overená e-mailová adresa na: iastate.edu - Domovská stránka
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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
7392001
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
5752013
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
3322001
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
3192001
Competition for bumblebee pollinators in Rocky Mountain plant communities
JM Pleasants
Ecology 61 (6), 1446-1459, 1980
2461980
Bumblebee response to variation in nectar availability
JM Pleasants
Ecology 62 (6), 1648-1661, 1981
2251981
Nectar production patterns in Ipomopsis aggregata (Polemoniaceae)
JM Pleasants
American Journal of Botany 70 (10), 1468-1475, 1983
2161983
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), 23265, 2016
2122016
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
2032017
Nectar production rates of Asclepias quadrifolia: causes and consequences of individual variation
JM Pleasants, SJ Chaplin
Oecologia 59, 232-238, 1983
1931983
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
1831989
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
1802017
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
1662017
Patchiness in the dispersion of nectar resources: evidence for hot and cold spots
JM Pleasants, M Zimmerman
Oecologia 41, 283-288, 1979
1301979
Learning Strategies and Other Factors Influencing Achievement via Web Courses.
CC Shih, T Ingebritsen, J Pleasants, K Flickinger, G Brown
981998
Optimal foraging by nectarivores: a test of the marginal-value theorem
JM Pleasants
The American Naturalist 134 (1), 51-71, 1989
791989
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
772017
Null‐model tests for competitive displacement: the fallacy of not focusing on the whole community
JM Pleasants
Ecology 71 (3), 1078-1084, 1990
731990
Evidence for short-distance dispersal of pollinia in Asclepias syriaca L.
JM Pleasants
Functional Ecology, 75-82, 1991
641991
Structure of plant and pollinator communities.
JM Pleasants
611983
Systém momentálne nemôže vykonať operáciu. Skúste to neskôr.
Články 1–20