Population Density

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  Subject Areas on Research

  • A comparative study of leukocyte counts and disease risk in primates. 
  • Ability of matrix models to explain the past and predict the future of plant populations. 
  • Abundance and survival rates of the Hawai'i Island associated spinner dolphin (Stenella longirostris) stock. 
  • Adaptive feeding across environmental gradients and its effect on population dynamics. 
  • Aggregate population and economic growth correlations: the role of the components of demographic change. 
  • Alcohol dependence and use of treatment services among women in the community. 
  • Biogeochemical consequences of rapid microbial turnover and seasonal succession in soil. 
  • Centrality in primate-parasite networks reveals the potential for the transmission of emerging infectious diseases to humans. 
  • Coexistence of cycling and dispersing consumer species: Armstrong and McGehee in space. 
  • Competition and species packing in patchy environments. 
  • Competitive foods in schools: availability and purchasing in predominately rural small and large high schools. 
  • Conservation hotspots for marine turtle nesting in the United States based on coastal development. 
  • Conserving large populations of lions - the argument for fences has holes. 
  • Coping with crowds: density-dependent disease resistance in desert locusts. 
  • Counting India's wild tigers reliably. 
  • Crab regulation of cross-ecosystem resource transfer by marine foraging fire ants. 
  • Delayed population explosion of an introduced butterfly. 
  • Demography, recombination hotspot intensity, and the block structure of linkage disequilibrium. 
  • Density dependence and population differentiation of genetic architecture in Impatiens capensis in natural environments. 
  • Density-dependent mortality and the latitudinal gradient in species diversity. 
  • Determinants of effective population size for loci with different modes of inheritance. 
  • Disparities in access to left ventricular assist device therapy. 
  • Distribution, ecology, life history, genetic variation, and risk of extinction of nonhuman primates from Costa Rica. 
  • Do animals living in larger groups experience greater parasitism? A meta-analysis. 
  • Do threatened hosts have fewer parasites? A comparative study in primates. 
  • Do topical repellents divert mosquitoes within a community? Health equity implications of topical repellents as a mosquito bite prevention tool. 
  • Does habitat disturbance increase infectious disease risk for primates? 
  • Drought, snails, and large-scale die-off of southern U.S. salt marshes. 
  • Eco-evolutionary dynamics, density-dependent dispersal and collective behaviour: implications for salmon metapopulation robustness. 
  • Ecological meltdown in predator-free forest fragments. 
  • Ecology. Domains of diversity. 
  • Ecology. Protecting China's biodiversity. 
  • Effects of biodiversity on the functioning of trophic groups and ecosystems. 
  • Effects of feral cats on the evolution of anti-predator behaviours in island reptiles: insights from an ancient introduction. 
  • Enemies maintain hyperdiverse tropical forests. 
  • Esophageal eosinophilia is increased in rural areas with low population density: results from a national pathology database. 
  • Estimation of evolutionary parameters using short, random and partial sequences from mixed samples of anonymous individuals. 
  • Evidence for GC-biased gene conversion as a driver of between-lineage differences in avian base composition. 
  • Evidence of adaptive divergence in plasticity: density- and site-dependent selection on shade-avoidance responses in Impatiens capensis. 
  • Expiry dates. 
  • Exponential distance statistics to detect the effects of population subdivision. 
  • Foundation species' overlap enhances biodiversity and multifunctionality from the patch to landscape scale in southeastern United States salt marshes. 
  • Frequency-dependence stabilizes competitive interactions among four annual plants. 
  • Genealogical structure among alleles regulating self-incompatibility in natural populations of flowering plants. 
  • Genetic effective size of a wild primate population: influence of current and historical demography. 
  • Genetic evidence for long-term population decline in a savannah-dwelling primate: inferences from a hierarchical bayesian model. 
  • Genome wide analyses reveal little evidence for adaptive evolution in many plant species. 
  • Genomic signatures of near-extinction and rebirth of the crested ibis and other endangered bird species. 
  • Graph theory as a proxy for spatially explicit population models in conservation planning. 
  • Grassland species loss resulting from reduced niche dimension. 
  • Great ape genetic diversity and population history. 
  • Habitat collapse due to overgrazing threatens turtle conservation in marine protected areas. 
  • Habitat fragmentation and effects of herbivore (howler monkey) abundances on bird species richness. 
  • Herbivore metabolism and stoichiometry each constrain herbivory at different organizational scales across ecosystems. 
  • Host density drives the postglacial migration of the tree parasite, Epifagus virginiana. 
  • Hybridization can facilitate species invasions, even without enhancing local adaptation. 
  • Infectious disease and group size: more than just a numbers game. 
  • Intercontinental impacts of ozone pollution on human mortality. 
  • Lethal aggression in Pan is better explained by adaptive strategies than human impacts. 
  • Local adaptation across a climatic gradient despite small effective population size in the rare sapphire rockcress. 
  • Local frequency dependence and global coexistence. 
  • Logging concessions can extend the conservation estate for Central African tropical forests. 
  • Long-distance interactions regulate the structure and resilience of coastal ecosystems. 
  • Lotka's game in predator-prey theory: linking populations to individuals. 
  • Managing the impact of invasive species: the value of knowing the density-impact curve. 
  • Marine Socio-Environmental Covariates: queryable global layers of environmental and anthropogenic variables for marine ecosystem studies. 
  • Methods for estimating population density in data-limited areas: evaluating regression and tree-based models in Peru. 
  • Migration of persons with AIDS--a search for support from elderly parents? 
  • Multilocus analysis of variation and speciation in the closely related species Arabidopsis halleri and A. lyrata. 
  • Natural experiment demonstrates that bird loss leads to cessation of dispersal of native seeds from intact to degraded forests. 
  • Neighborhood racial composition, neighborhood poverty, and the spatial accessibility of supermarkets in metropolitan Detroit. 
  • North American origin and recent European establishments of the amphi-Atlantic peat moss Sphagnum angermanicum. 
  • On population growth near protected areas. 
  • Parasite-mediated evolution of the functional part of the MHC in primates. 
  • Parasites and the evolutionary diversification of primate clades. 
  • Phylogeny and biogeography of the American live oaks (Quercus subsection Virentes): a genomic and population genetics approach. 
  • Phylogeography and historical ecology of the North Atlantic intertidal. 
  • Phylogeography of the arid-adapted Malagasy bullfrog, Laliostoma labrosum, influenced by past connectivity and habitat stability. 
  • Plant population dynamics, pollinator foraging, and the selection of self-fertilization. 
  • Population and fertility by age and sex for 195 countries and territories, 1950-2017: a systematic analysis for the Global Burden of Disease Study 2017. 
  • Population density, distance to public transportation, and health of women in low-income neighborhoods. 
  • Potential demographic contributions to gerontology. 
  • Predicting changes in the distribution and abundance of species under environmental change. 
  • Prevalence and strength of density-dependent tree recruitment. 
  • Prey growth and size-dependent predation in juvenile estuarine fishes: experimental and model analyses. 
  • Primate disease ecology in comparative and theoretical perspective. 
  • Projecting the future size and health status of the U.S. elderly population. 
  • Promiscuity and the primate immune system. 
  • Quantifying Nearshore Sea Turtle Densities: Applications of Unmanned Aerial Systems for Population Assessments. 
  • Quantitative analysis of forest fragmentation in the atlantic forest reveals more threatened bird species than the current red list. 
  • Refractory periods and climate forcing in cholera dynamics. 
  • Relationship Between Tobacco Retailers' Point-of-Sale Marketing and the Density of Same-Sex Couples, 97 U.S. Counties, 2012. 
  • Relevant microclimate for determining the development rate of malaria mosquitoes and possible implications of climate change. 
  • Resource-dependent dispersal and the speed of biological invasions. 
  • Restoring diversity after cattail expansion: disturbance, resilience, and seasonality in a tropical dry wetland. 
  • Science priorities. Inappropriate use and portrayal of chimpanzees. 
  • Secondary foundation species enhance biodiversity. 
  • Segmented sleep in a nonelectric, small-scale agricultural society in Madagascar. 
  • Signatures of demography and recombination at coding genes in naturally-distributed populations of Arabidopsis lyrata subsp. petraea. 
  • Some general relationships in population dynamics. 
  • Spatial aspects of interspecific competition. 
  • Stepping-stone spatial structure causes slow decay of linkage disequilibrium and shifts the site frequency spectrum. 
  • Subfunctionalization: How often does it occur? How long does it take? 
  • Sustaining America's forest legacy. 
  • Sustaining the variety of life. 
  • The availability of community ties predicts likelihood of peer referral for mammography: geographic constraints on viral marketing. 
  • The dynamics of population aging: demography and policy analysis. 
  • The effect of temperature on Anopheles mosquito population dynamics and the potential for malaria transmission. 
  • The fitness benefits of germinating later than neighbors. 
  • The impact of large terrestrial carnivores on Pleistocene ecosystems 
  • The population genomics of rhesus macaques (Macaca mulatta) based on whole-genome sequences. 
  • The relative influences of host plant genotype and yearly abiotic variability in determining herbivore abundance. 
  • The shrinking ark: patterns of large mammal extinctions in India. 
  • The structure of urban mortality. A methodological study of Hannover, Germany. Part I. 
  • The structure of urban mortality. A methodological study of Hannover, Germany. Part II. 
  • Toward an ecological classification of soil bacteria. 
  • Trophic cascades in rocky shore tide pools: distinguishing lethal and nonlethal effects. 
  • When top-down becomes bottom up: behaviour of hyperdense howler monkeys (Alouatta seniculus) trapped on a 0.6 ha island. 
  • Why are some species more commonly afflicted by arthritis than others? A comparative study of spondyloarthropathy in primates and carnivores. 
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  Keywords of People

  • Muschkin, Clara G., Associate Research Professor in the Sanford School of Public Policy, Sanford School of Public Policy
  • Pimm, Stuart L., Doris Duke Professor of Conservation Ecology in the Nicholas School of the Environment and Earth Sciences, Duke Science & Society
  • Shindell, Drew Todd, Nicholas Professor of Earth Science, Earth and Ocean Sciences
  • Wu, Li-Tzy, Professor in Psychiatry and Behavioral Sciences, Medicine, General Internal Medicine