Jean Langenheim

Q: What Schools Are Affiliated With Jean Langenheim

Jean Langenheim is affiliated with the following schools: University of Minnesota, University of Tulsa, University of California, Santa Cruz

Jean Langenheim's AcademicInfluence.com Rankings

Jean Langenheim

Biology

#9315

World Rank

#12504

Historical Rank

#2417

USA Rank

Ecology

#744

World Rank

#808

Historical Rank

#206

USA Rank

biology Degrees

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Biology

Why Is Jean Langenheim Influential?

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According to Wikipedia, Jean H. Langenheim was an American plant ecologist and ethnobotanist, highly respected as an eminent scholar and a pioneer for women in the field. She has done field research in arctic, tropical, and alpine environments across five continents, with interdisciplinary research that spans across the fields of chemistry, geology, and botany. Her early research helped determine the plant origins of amber and led to her career-long work investigating the chemical ecology of resin-producing trees, including the role of plant resins for plant defense and the evolution of several resin-producing trees in the tropics. She wrote what is regarded as the authoritative reference on the topic: Plant Resins: Chemistry, Evolution, Ecology, and Ethnobotany, published in 2003.

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Jean Langenheim's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Higher plant terpenoids: A phytocentric overview of their ecological roles (1994) (676)
Plant Resins: Chemistry, Evolution, Ecology, and Ethnobotany (2003) (591)
Restoration Ecology: A Synthetic Approach to Ecological Research (1989) (529)
Amber: a botanical inquiry. (1969) (244)
Vegetation and Environmental Patterns in the Crested Butte Area, Gunnison County, Colorado (1962) (138)
Language Analysis and the Concept "Environment" (1957) (131)
THE ENDOPHYTIC FUNGAL COMMUNITY IN LEAVES OF A COASTAL REDWOOD POPULATION-DIVERSITY AND SPATIAL PATTERNS (1990) (128)
Tropical Rain Forest Ecosystems: Biogeographical and Ecological Studies (1989) (96)
Infrared Spectra as a Means of Determining Botanical Sources of Amber (1965) (92)
Systematics of the genus Hymenaea L. (Leguminosae, Caesalpinioideae, Detarieae) (1975) (74)
Variation in terpenes and phenolics through leaf development in Hymenaea and its possible significance to herbivory (1981) (73)
Historic fire regimes and their relation to vegetation patterns in the Monterey Bay area of California. (1990) (69)
Photosynthetic responses to light in seedlings of selected Amazonian and Australian rainforest tree species (1984) (67)
Inhibition of Nitrosomonas europaea by Monoterpenes from Coastal Redwood (Sequoia sempervirens) in Whole-Cell Studies (2004) (66)
Biology of Amber-Producing Trees: Focus on Case Studies ofHymenaeaandAgathis (1996) (65)
Inhibitory effects of different quantitative compositions of Hymenaea leaf resins on a generalist herbivore Spodoptera exigua (1980) (64)
Implications of variation in resin composition among organs, tissues and populations in the tropical legume Hymenaea (1978) (63)
Mangrove Pollen At the Depositional Site of Oligo-Miocene Amber from Chiapas, Mexico (1967) (63)
13C NMR and IR analyses of structure, aging and botanical origin of Dominican and Mexican ambers (1983) (60)
Effect of light and temperature on monoterpenoid yield and composition in Satureja douglasii (1978) (56)
The effect of moisture stress on monoterpenoid yield and composition in Satureja douglasii (1978) (54)
Variation of Satureja douglasii monoterpenoids in relation to light intensity and herbivory (1979) (50)
Inhibitory effects of Hymenaea and Copaifera leaf resins on the leaf fungus, Pestalotia subcuticularis (1983) (49)
Palatability of monoterpenoid compositional types of Satureja douglasii to a generalist molluscan herbivore, Ariolimax dolichophallus (1978) (48)
Geographic Survey of Fungal Endophyte Community Composition in Leaves of Coastal Redwood (1993) (47)
Plant succession on a subalpine earthflow in Colorado (1956) (47)
Trees of Life: Saving Tropical Forests and Their Biological Wealth (1991) (46)
Sesquiterpenes in leaf pocket resin of Hymenaea courbaril (1972) (45)
Hymenaea and Copaifera leaf sesquiterpenes in relation to lepidopteran herbivory in southeastern Brazil (1986) (44)
Relationship of light intensity to leaf resin composition and yield in the tropical leguminous genera Hymenaea and Copaifera (1981) (43)
Leaf development in the tropical leguminous tree Copaifera in relation to microlepidopteran herbivory (1986) (43)
Temporal changes in the leaf monoterpenes of Sequoia sempervirens (1986) (40)
Sesquiterpene Deterrence of a Leaf-Tying Lepidopteran, Stenoma ferrocanella, on Hymenaea stigonocarpa in Central Brazil (1983) (40)
Resin acids from two amazonian species of Hymenaea (1973) (38)
Effects of sabinene and γ-terpinene from coastal redwood leaves acting singly or in mixtures on the growth of some of their fungus endophytes (1991) (38)
Labd-13-en-8-ol-15-oic acid in the trunk resin of amazonian Hymenaea courbaril (1974) (37)
Microlepidopteran herbivory in relation to leaf sesquiterpenes in Copaifera langsdorfiiadult trees and their seedling progeny in a Brazilian woodland (1989) (34)
An evolutionary and ecological perspective of Amazonian Hylaea species of Hymeneae (Leguminosae: Caesalpinioideae) (1973) (33)
Geographic variation in leaf monoterpenes of sequoia sempervirens (1987) (27)
Effect of moisture stress on composition and yield in leaf resin of Hymenaea courbaril (1979) (27)
Early history and progress of women ecologists : Emphasis upon research contributions (1996) (27)
Leaf resin variation in Copaifera langsdorfii: Relation to irradiance and herbivory (1988) (26)
Implications of foliar monoterpenoid variation among ontogenetic stages of the California Bay Tree (Umbellularia californica) for deer herbivory (1996) (25)
EVOLUTIONARY IMPLICATIONS OF LEAF RESIN POCKET PATTERNS IN THE TROPICAL TREE HYMENAEA (CAESALPINIOIDEAE: LEGUMINOSAE) (1982) (24)
Effect of some leaf essential oil phenotypes in coastal redwood on the growth of several fungi with endophytic stages (1991) (24)
Geographic patterns of monoterpenoid composition in Satureja douglasii (1976) (24)
Vegetative Response to Photoperiod in the Tropical Leguminous Tree Hymenaea courbaril L (1978) (23)
Variation in chemical and physical properties during leaf development in california bay tree (Umbellularia californica): Predictions regarding palatability for deer (1996) (23)
Influence of phytochrome on leaf monoterpene variation in Satureja douglasii (1998) (23)
A further investigation of leaf sesquiterpene variation in relation to herbivory in two Brazilian populations of Copaifera langsdorfii (1989) (23)
Sesquiterpenes in leaf pocket resins of Copaifera species (1983) (22)
Preliminary Investigations of Hymenaea courbaril as a Resin Producer (1967) (21)
A genetic approach to monoterpenoid compositional variation in Satureja douglasii (1981) (21)
The existence and photochemical initiation of free radicals in Hymenaea trunk resin (1977) (21)
Tropical Forests: Some African and Asian Case Studies of Composition and Structure (1991) (20)
Factors in the suppression of weeds by squash interplanted in corn (2007) (20)
Quantitative variation in leaf pocket resin composition in Hymenaea (1976) (19)
Ecological Restoration Restoration Ecology: A Synthetic Approach to Ecological Research W. R. Jordan III M. E. Gilpin J. D. Aber (1988) (19)
LOSS OF MONOTERPENES FROM UMBELLULARIA CALIFORNICA LEAF LITTER (1995) (18)
Infection processes of Pestalotia subcuticularis on leaves of Hymenaea courbaril. (1990) (18)
Unusual nonprotein imino acid and its relationship to phenolic and nitrogenous compounds in Copaifera (1987) (18)
Bulk carbon, oxygen, and hydrogen stable isotope composition of recent resins from amber-producing Hymenaea (2004) (17)
Shade-avoidance responses in two common coastal redwood forest species, Sequoia sempervirens (Taxodiaceae) and Satureja douglasii (Lamiaceae), occurring in various light quality environments. (1999) (17)
Biosynthesis of sesquiterpenes in Hymenaea inferred from their quantitative co-occurrence (1976) (17)
Quantitative variation in leaf pocket resin composition in Hymenaea courbaril (1974) (16)
Preliminary studies of monoterpenoid variability in Satureja douglasii (1976) (16)
Reinstatement of the genus Hymenaea (Leguminosae: Caesalpinioideae) in Africa (2008) (16)
Effects ofHymenaea courbaril leaf resin on the generalist herbivoreSpodoptera exigua (beet armyworm) (1977) (15)
Enantio-8(17),13(16),14-labdatrien-18-oic acid from trunk resin of kenyan Hymen aea verrucosa (1974) (15)
The Roles of Plant Secondary Chemicals in Wet Tropical Ecosystems (1984) (14)
Within-tree spatial variation in the leaf monoterpenes of Sequoia sempervirens (1986) (13)
RESTORING NATIVE GRASSES AS VEGETATIVE BUFFERS IN A COASTAL CALIFORNIA AGRICULTURAL LANDSCAPE (2007) (12)
Leaf sesquiterpenes and phenolics in Copaifera multijuga on contrasting soil types in a central amazonian rain forest (1986) (12)
Terpenoids in Umbellularia californica (1974) (12)
Terpenoids in Satureja Douglasii (1974) (12)
Intra- and interplant leaf sesquiterpene variability in Copaifera langsdorfii: relation to microlepidopteran herbivory (1989) (11)
Dose-dependent effects in vitro of essential oils on the growth of two endophytic fungi in coastal redwood leaves (1993) (10)
Further Palaeo-Anthropological Studies in Northern Lunda. (1969) (10)
Effect of some leaf essential oil phenotypes from coastal redwood on growth of its predominant endophytic fungus,Pleuroplaconema sp. (1991) (10)
Phenology Program of the IBP (1967) (9)
Analysis of foliar monoterpenoid content in the California Bay Tree, Umbellularia calfironica, among populations across the distribution of the species (1995) (8)
THE ASSOCIATION OF PESTALOTIA SPECIES WITH MEMBERS OF THE LEGUMINOUS TREE GENERA HYMENAEA AND COPAIFERA IN THE NEOTROPICS (1986) (8)
Late paleozoic and early mesozoic plant fossils from the Cordillera Oriental of Colombia and correlation of the Giron Formation (1960) (7)
QUATERNARY CLOSED-CONE PINE FLORA FROM TRAVERTINE NEAR LITTLE SUR, CALIFORNIA (1963) (6)
Compositional variation of leaf pocket sesquiterpenes in Trachylobium verrucosum (1973) (6)
Additional New Taxa and New Combinations in Hymenaea (Leguminosae, Caesalpinioideae) (1974) (6)
Amber from 1000-Year Old Prehispanic Tombs in Northern Peru (1996) (5)
Seasonal and diurnal variations in leaf sesquiterpenes of greenhouse-grown saplings of Hymenaea and Copaifera. (1990) (5)
The Effects of Pseudotsuga menziesii Monoterpenoids on Nitrification (1994) (4)
Interpretation of Pollen in Amber from a Study of Pollen in Present-Day Coniferous Resin (1971) (4)
New Taxa from Brazil and Guyana in the Genus Hymenaea lLeguminosaec Caesalpinioideaer (1973) (2)
MODEL RESEARCH PAPER Inhibitory potential of compounds released from squash (Cucurbita spp.) under natural conditions (1996) (2)
Preliminary Notes on Plant Fossils from Late Paleozoic and Early Mesozoic Rocks in the Cordillera Oriental of Colombia (1959) (2)
W. S. Cooper As I Knew Him: Teacher, Mentor and Friend (2015) (1)
Amazonian species of the resin-producing genus Hymenaea. (1970) (1)
My Experience in Amazonia (1971) (0)
Society for Economic Botany (2008) (0)
Save the Tropics (1990) (0)
Rain Forests from the Ground up (1990) (0)
Studies of resins from Hymenaea and Trachylobium. (1970) (0)
Forest Formations in the Tropics (1992) (0)
Explaining Tropical Forests (1992) (0)
To Save Our Global Heritage (1985) (0)
Eastern African Rain Forests (1994) (0)
Book review (2004) (0)
Comparative studies of variability in leaf resin composition between parent trees and progeny of selected species of Hymenaea. 2. Comparison of additional Amazonian populations with a population from southeast Brazil. (1980) (0)
Book Review:American Women Afield: Writings by Pioneering Women Naturalists. Marcia Myers Bonta (1995) (0)

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Other Resources About Jean Langenheim

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What Schools Are Affiliated With Jean Langenheim?

Jean Langenheim is affiliated with the following schools: