Search Results - "Gregg, Katharine"
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Drivers of vegetative dormancy across herbaceous perennial plant species
Published in Ecology letters (01-05-2018)“…Vegetative dormancy, that is the temporary absence of aboveground growth for ≥ 1 year, is paradoxical, because plants cannot photosynthesise or flower during…”
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Recovery from bud disappearance explains prolonged dormancy in Cleistes bifaria (Orchidaceae)
Published in American journal of botany (01-02-2011)“…Premise of the study: Virtually nothing is known about what actually happens during prolonged dormancy, the period during which significant proportions of…”
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Demographic Analysis of Dormancy and Survival in the Terrestrial Orchid Cypripedium reginae
Published in The Journal of ecology (01-08-2004)“…1 We use capture-recapture models to estimate the fraction of dormant ramets, survival and state transition rates, and to identify factors affecting these…”
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The Flora of Beavers' Meadow, Barbour County, West Virginia, Revisited after a Quarter Century
Published in Castanea (01-06-2015)“…Since the early 1980s, Beavers' Meadow in Barbour County, West Virginia, has been well known for large populations of the orchids Cleistes bifaria and…”
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LARYNGEAL INVOLVEMENT IN TWO SEVERE CASES OF CHILDHOOD TUBERCULOSIS
Published in The Pediatric infectious disease journal (01-12-2009)“…Laryngeal tuberculosis in children is seldom reported in the literature. We present 2 children from Cape Town, South Africa who had disseminated tuberculosis…”
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Effects of Life-State on Detectability in a Demographic Study of the Terrestrial Orchid Cleistes bifaria
Published in The Journal of ecology (01-04-2003)“…1 Most plant demographic studies follow marked individuals in permanent plots. Plots tend to be small, so detectability is assumed to be one for every…”
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Demographic estimation methods for plants with unobservable life-states
Published in Oikos (01-02-2005)“…Demographic estimation of vital parameters in plants with an unobservable dormant state is complicated, because time of death is not known. Conventional…”
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Comparison of size vs. life-state classification in demographic models for the terrestrial orchid Cleistes bifaria
Published in Biological conservation (01-04-2006)“…Recent studies using capture–recapture modelling in terrestrial orchids have shown relationships among survival, life-state, climate and dormancy, but to date,…”
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Protecting stable biological nomenclatural systems enables universal communication: A collective international appeal
Published in Bioscience (01-07-2024)“…Abstract The fundamental value of universal nomenclatural systems in biology is that they enable unambiguous scientific communication. However, the stability…”
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If you believe you don't need anti-harassment training, prove it
Published in New Hampshire Business Review (16-02-2018)“…The House chief of staff In the NH Legislature organized an event to bring legislators up to date on State House anti-harassment policies. [...]it felt like a…”
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Still Life with Motion
Published in The North American review (01-03-2007)“…A poem is presented…”
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Reproductive strategy of Cleistes divaricata (Orchidaceae)
Published in American journal of botany (01-03-1991)“…In Cleistes divaricata, a hinged anther dispenses a sequence of loosely aggregated pollen tetrad masses onto the dorsal thorax of Bombus and Megachile workers…”
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Recovery of Showy Lady's Slippers (Cypripedium reginae Walter) from Moderate and Severe Herbivory by White-tailed Deer (Odocoileus virginianus Zimmerman)
Published in Natural areas journal (01-07-2004)“…Effects of and recovery from browsing by white-tailed deer (Odocoileus virginianus Zimmerman) were compared in two populations of Cypripedium reginae Walter in…”
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Demographic estimation methods for plants with dormancy
Published in Animal biodiversity and conservation (01-06-2004)“…Demographic studies in plants appear simple because unlike animals, plants do not run away. Plant individuals can be marked with, e.g., plastic tags, but often…”
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Genetic discontinuities among populations of Cleistes (Orchidaceae, Vanilloideae) in North America
Published in Botanical journal of the Linnean Society (01-05-2004)“…Genetic patterns were examined in five populations of North American Cleistes with three sources of molecular data: amplified fragment length polymorphisms…”
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Reproductive Strategy of Cleistes divaricata (Orchidaceae)
Published in American journal of botany (1991)Get full text
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Meniscus
Published in The North American review (01-03-1997)“…A poem is presented…”
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THE INTERACTION OF LIGHT INTENSITY, PLANT SIZE, AND NUTRITION IN SEX EXPRESSION IN CYCNOCHES (ORCHIDACEAE)
Published in Selbyana (01-09-1978)Get full text
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THE EFFECT OF LIGHT INTENSITY ON SEX EXPRESSION IN SPECIES OF CYCNOCHES AND CATASETUM (ORCHIDACEAE)
Published in Selbyana (01-08-1975)Get full text
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STUDIES ON THE CONTROL OF SEX EXPRESSION IN THE GENERA CYCNOCHES AND CATASETUM, SUBTRIBE CATASETINAE, ORCHIDACEAE
Published 01-01-1973Get full text
Dissertation