Karen Oberhauser
Research entomologist
Karen Oberhauser's AcademicInfluence.com Rankings
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Biology
Karen Oberhauser's Degrees
- PhD Entomology Michigan State University
Why Is Karen Oberhauser Influential?
(Suggest an Edit or Addition)According to Wikipedia, Karen Suzanne Oberhauser is an American conservation biologist who specializies in monarch butterflies. Education and career She graduated with a Bachelor of Arts degree in biology at Harvard College, a Bachelor of Science degree in natural science education at the University of Wisconsin–Madison, and a PhD in ecology and behavioral biology at the University of Minnesota. Oberhauser is an adjunct professor in the Fisheries, Wildlife and Conservation Biology department and former director of the Monarch Lab at the University of Minnesota. In October 2017, she became the director of the University of Wisconsin–Madison Arboretum, in Madison, Wisconsin.
Karen Oberhauser's Published Works
Published Works
- Impact of Bt corn pollen on monarch butterfly populations: A risk assessment (2001) (518)
- Milkweed loss in agricultural fields because of herbicide use: effect on the monarch butterfly population (2013) (365)
- Characteristics of professional development that effect change in secondary science teachers' classroom practices (2005) (277)
- Bioenergy and Wildlife: Threats and Opportunities for Grassland Conservation (2009) (261)
- Temporal and spatial overlap between monarch larvae and corn pollen (2001) (246)
- Associations between host migration and the prevalence of a protozoan parasite in natural populations of adult monarch butterflies (2000) (186)
- Modeling current and future potential wintering distributions of eastern North American monarch butterflies (2003) (155)
- Quasi-extinction risk and population targets for the Eastern, migratory population of monarch butterflies (Danaus plexippus) (2016) (150)
- Monarch butterfly migration and parasite transmission in eastern North America (2011) (146)
- Monarch butterfly population decline in North America: identifying the threatening processes (2017) (142)
- Effects of spermatophores on male and female monarch butterfly reproductive success (1989) (126)
- Restoring monarch butterfly habitat in the Midwestern US: ‘all hands on deck’ (2017) (122)
- Fecundity, lifespan and egg mass in butterflies: Effects of male-derived nutrients and female size (1997) (117)
- Male monarch butterfly spermatophore mass and mating strategies (1988) (114)
- Ecological Niches in Sequential Generations of Eastern North American Monarch Butterflies (Lepidoptera: Danaidae): The Ecology of Migration and Likely Climate Change Implications (2007) (105)
- A trans‐national monarch butterfly population model and implications for regional conservation priorities (2017) (101)
- The Monarch Butterfly: Biology and Conservation (2004) (96)
- Monarchs in decline: a collateral landscape‐level effect of modern agriculture (2018) (92)
- Effects of photoperiod, temperature, and host plant age on induction of reproductive diapause and development time in Danaus plexippus (2002) (90)
- A Citizen Army for Science: Quantifying the Contributions of Citizen Scientists to our Understanding of Monarch Butterfly Biology (2015) (82)
- Conservation Volunteers’ Connection to Nature (2009) (82)
- Butterfly citizen scientists in the United States increase their engagement in conservation (2017) (81)
- Tracking climate impacts on the migratory monarch butterfly (2012) (76)
- Compensatory Feeding in Danaus plexippus (Lepidoptera: Nymphalidae) in Response to Variation in Host Plant Quality (2004) (73)
- Immature Monarch Survival: Effects of Site Characteristics, Density, and Time (2015) (68)
- National Valuation of Monarch Butterflies Indicates an Untapped Potential for Incentive‐Based Conservation (2014) (68)
- Temporal and geographical variation in monarch densities: Citizen scientists document monarch population patterns (2004) (63)
- Insects as flagship conservation species (2009) (60)
- Insects and plants: engaging undergraduates in authentic research through citizen science (2012) (58)
- Monarchs in a Changing World: Biology and Conservation of an Iconic Butterfly (2015) (58)
- Interpreting surveys to estimate the size of the monarch butterfly population: Pitfalls and prospects (2017) (56)
- Citizen Science and Youth Audiences: Educational Outcomes of the Monarch Larva Monitoring Project (2008) (51)
- Local and cross‐seasonal associations of climate and land use with abundance of monarch butterflies Danaus plexippus (2018) (49)
- Crowding and disease: effects of host density on response to infection in a butterfly–parasite interaction (2009) (47)
- Citizen Science: Creating a Research Army for Conservation (2008) (47)
- Transmission of the Protozoan Parasite Ophryocystis elektroscirrha in Monarch Butterfly Populations : Implications for Prevalence and Population-Level Impacts (2007) (47)
- Can roadside habitat lead monarchs on a route to recovery? (2016) (42)
- Rate of ejaculate breakdown and intermating intervals in monarch butterflies (1992) (41)
- Density estimates of monarch butterflies overwintering in central Mexico (2017) (39)
- Quantifying ecosystem service flows at multiple scales across the range of a long-distance migratory species (2018) (38)
- Conclusion of No Decline in Summer Monarch Population Not Supported (2016) (38)
- Growth and Survival of Monarch Butterflies (Lepidoptera: Danaidae) After Exposure to Permethrin Barrier Treatments (2006) (35)
- Habitat Productivity and Temporal Patterns of Monarch Butterfly Egg Densities in the Eastern United States (2015) (35)
- Authentic science with citizen science and student-driven science fair projects (2018) (35)
- Parasitism of Monarch Butterflies (Danaus Plexippus) by Lespesia Archippivora (Diptera: Tachinidae) (2007) (35)
- Effects of duration and timing of heat stress on Monarch Butterfly (Danaus plexippus) (Lepidoptera: Nymphalidae) development (2002) (32)
- On the dangers of interpopulational transfers of monarch butterflies (1995) (28)
- Male monarch butterflies, Danaus plexippus, adjust ejaculates in response to intensity of sperm competition (2009) (27)
- Monarch butterfly (Danaus plexippus) larvae & Bt corn pollen: A review of ecological risk assessment for a non-target species (2003) (26)
- Impacts of Ultra-Low Volume Resmethrin Applications on Non-Target Insects (2009) (26)
- Disciplinary Literacy in the Science Classroom: Using Adaptive Primary Literature. (2016) (26)
- Tachinid Flies and Monarch Butterflies: Citizen Scientists Document Parasitism Patterns over Broad Spatial and Temporal Scales (2012) (24)
- Climate-change and mass mortality events in overwintering monarch butterflies (2012) (23)
- Public Perceptions of Citizen Science (2017) (22)
- Evaluating confidence in climate‐based predictions of population change in a migratory species (2016) (22)
- Characteristics of fall migratory monarch butterflies, Danaus plexippus, in Minnesota and Texas: Biology and Conservation (2004) (22)
- Illegal Logging of 10 Hectares of Forest in the Sierra Chincua Monarch Butterfly Overwintering Area in Mexico (2016) (22)
- Changes in climate drive recent monarch butterfly dynamics (2021) (20)
- Transmission of the protozoan parasite Ophyocystis elektroscirrha in monarch butterfly populations: implications for prevalence and population-level impacts: Biology and Conservation (2004) (19)
- Overview of Monarch Breeding Biology (2007) (18)
- Are monarch butterflies true navigators? The jury is still out (2013) (17)
- Population Structure of the Endangered Mitchell's Satyr, Neonympha mitchellii mitchellii (French): Implications for Conservation (2004) (17)
- Traffic influences nutritional quality of roadside plants for monarch caterpillars. (2020) (16)
- Contributions of Citizen Scientists and Habitat Volunteers to Monarch Butterfly Conservation (2017) (16)
- Assessing zinc tolerance in two butterfly species: consequences for conservation in polluted environments (2020) (15)
- The Integrated Monarch Monitoring Program: From Design to Implementation (2019) (15)
- Species distribution models for natural enemies of monarch butterfly (Danaus plexippus) larvae and pupae: distribution patterns and implications for conservation (2016) (15)
- Mate pairing patterns of monarch butterflies (danaus plexippus L.) at a california overwintering site (1998) (14)
- Monarch sex: Ancient rites, or recent wrongs? (2007) (14)
- Butterfly Citizen Science Projects Support Conservation Activities among their Volunteers (2016) (13)
- Monarch Habitat in Conservation Grasslands (2020) (13)
- Tachinid Fly (Diptera: Tachinidae) Parasitoids of Danaus plexippus (Lepidoptera: Nymphalidae) (2017) (12)
- Citizen Science as a REAL Environment for Authentic Scientific Inquiry. (2014) (11)
- A Field Guide to Monarch Caterpillars ( Danaus plexippus ) (1997) (11)
- Sperm precedence in monarch butterflies (Danaus plexippus) (2009) (11)
- The relationship between mating and oogenesis in monarch butterflies (Lepidoptera: Danainae) (1995) (10)
- Coercive mating by overwintering male monarch butterflies (2012) (9)
- Monarch Butterfly Monitoring in North America (2009) (9)
- Adult Monarch (Danaus plexippus) Abundance Is Higher in Burned Sites Than in Grazed Sites (2019) (9)
- Environmental Factors Influencing Postdiapause Reproductive Development in Monarch Butterflies (2007) (8)
- New Reports that Monarch Butterflies (Lepidoptera: Nymphalidae, Danaus plexippus Linnaeus) are Hosts for a Pupal Parasitoid (Hymenoptera: Chalcidoidae, Pteromalus cassotis Walker) (2015) (8)
- Review Article Monarch butterfly (Danaus plexippus) larvae and Bt maize pollen: a review of ecological risk assessment for a non-target species (2003) (7)
- Science Professional Development with Teachers: Nurturing the Scientist Within (2014) (7)
- Rapid Assessment of Roadsides as Potential Habitat for Monarchs and Other Pollinators (2019) (6)
- Lack of Rare-Male Mating Effect Using bw and st Drosophila melanogaster Mutants (1988) (6)
- Fecundity, lifespan and egg mass in butterflies (1997) (5)
- Effects of female age, female mass and nutrients from males on monarch egg mass: Biology and Conservation (2004) (5)
- Does chemistry make a difference? Milkweed butterfly sequestered cardenolides as a defense against parasitoid wasps (2019) (5)
- Monitoring Monarchs: Citizen Science and a Charismatic Insect (2017) (4)
- 8 Behavioral and Genetic Components of Male Mating Success in Monarchs (2007) (4)
- Genetics of a "zebra" pigment mutation in the larvae of Danaus plexippus, L. (Nymphalidae: Danainae) (1996) (3)
- Biological studies of Hemicoelus gibbicollis (LeConte) (Coleoptera: Anobiidae), a serious structural pest along the Pacific coast: larval and pupal stages (1993) (3)
- Concerns that captive breeding affects the ability of monarch butterflies to migrate (2019) (2)
- Compensatory feeding in Danaus plexippus (Lepidoptera (2004) (2)
- Material investment in mating by male monarch butterflies (Danaus plexippus) (1989) (2)
- PART III Monarchs in a Changing Climate (2018) (2)
- Evaluating the Suitability of Roadway Corridors for Use by Monarch Butterflies (2020) (2)
- 24 Modeling the Distribution and Abundance of Monarch Butterflies (2007) (2)
- Large-scale monitoring of larval monarch populations and milkweed habitat in North America (2012) (2)
- Monarch Butterfly (2004) (2)
- Divergent responses of butterflies and bees to burning and grazing management in tallgrass prairies (2022) (1)
- Grounding a Program Theory to Enable Authentic Inquiry Through Citizen Science (2013) (1)
- Behavioral and genetic components of male mating success in monarch butterflies: Biology and Conservation (2004) (1)
- Driven to Discover Citizen Science Curriculum Guide: Pollinators and the Great Sunflower Project (2018) (1)
- Lincoln Brower, Champion for Monarchs (2019) (1)
- A Science Club Takes Action: Knowledge about Water Quality and Soil Contamination Inspires Students and Their Families (2007) (1)
- Monarch Transfer: A Real Concern? (1996) (1)
- A science club takes action (2007) (1)
- Monarch transfer: A real concern? Reply (1996) (1)
- Driven to Discover Citizen Science Curriculum Guide: Phenology and Nature's Notebook (2018) (1)
- Species distribution models for natural enemies of monarch butterfly (Danaus plexippus) larvae and pupae: distribution patterns and implications for conservation (2016) (0)
- Can roadside habitat lead monarchs on a route to recovery? (2016) (0)
- The Monarch Larva Monitoring Project: Authentic Science for Students (2006) (0)
- Landscape- and local-level variables affect monarchs in Midwest grasslands (2021) (0)
- Citizen Science Sparks Independent Scientific Investigations (2012) (0)
- Landscape- and local-level variables affect monarchs in Midwest grasslands (2021) (0)
- Technology and butterfly citizen science: It's not just about getting data! (2016) (0)
- Driven to Discover Citizen Science Curriculum Guide: Dragonflies and Odonata Central (2018) (0)
- Supplementary material from "Monarch butterfly population decline in North America: identifying the threatening processes" (2017) (0)
- Environmental Scientists and Elementary Students Joining Forces to Address Environmental Justice Issues (2006) (0)
- Schoolyards, Science and Sustainability; K-12 Teacher Professional Development (2006) (0)
- Driven to Discover Investigator's Field Journal: Monarchs (2015) (0)
- Driven to Discover Citizen Science Curriculum Guide: Birding and eBird (2018) (0)
- Environmental factors influencing postdiapause reproductive development in monarch butterflies: Biology and Conservation (2004) (0)
- Reporting Citizen Science Findings (2020) (0)
- Environmental induction of reproductive diapause in Danaus plexippus (2012) (0)
- Driven to Discover Facilitator's Guide to Citizen Science: Monarchs (2015) (0)
- Driven to Discover: Facilitator’s Guide to Conducting Citizen Science and Science Investigations (2019) (0)
- ELEVEN. Reporting Citizen Science Findings (2020) (0)
- PART I Model Programs for Citizen Science, Education, and Conservation (2018) (0)
- From: The Informally Constituted Monarch Butterfly Scientific (2005) (0)
- Driven to Discover: (2020) (0)
- SIXTEEN. Driven to Discover: A Case Study of Citizen Science as a Springboard to Science Learning (2020) (0)
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Karen Oberhauser is affiliated with the following schools: