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Browsing Ecology and Evolutionary Biology by Title
Now showing items 21-40 of 130
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Cardenolides, induced responses, and interactions between above? and belowground herbivores of milkweed (Asclepias spp.)
(Ecological Society of America, 2009-09-01)Theory has long predicted allocation patterns for plant defense against herbivory, but only recently have both above? and belowground plant defenses been considered simultaneously. Milkweeds in the genus Asclepias are a ... -
Cause-effect relationships in energy flow, trophic structure, and interspecific interactions
(University of Chicago, 1993-09)Measurements of the efficiency of energy transfer between trophic levels are consis- tent with the hypothesis that it is trophic structure that controls the fraction of energy consumed at each trophic level, rather than ... -
Changes in anthropogenic nitrogen and phosphorus inputs to the St. Lawrence Basin over 110 years: Impacts on riverine export
(Wiley, 2016-07-06)Human activities have increased the flow of nitrogen (N) and phosphorus (P) over much of the Earth, leading to increased agricultural production, but also the degradation of air, soil, and water quality. Here we quantify ... -
Chromosome synapsis and recombination in male hybrids between two chromosome races of the common shrew (Sorex araneus L., Soricidae, Eulipotyphla)
(Multidisciplinary Digital Publishing Insitute (MDPI), 2017-10-20)Hybrid zones between chromosome races of the common shrew (Sorex araneus) provide exceptional models to study the potential role of chromosome rearrangements in the initial steps of speciation. The Novosibirsk and Tomsk ... -
Coastal marine eutrophication: Control of both nitrogen and phosphorus is necessary
(PNAS, 2008-12-09)Human activities have clearly caused dramatic alterations of the terrestrial nitrogen cycle, and analyses of the extent and effects of such changes are now common in the scientific literature. However, any attempt to ... -
Coexistance of three specialist aphids on common milkweed, Asclepias syriaca
(Ecological Society of America, 2008-08-01)Coexistence of host?specific herbivores on plants is believed to be governed by interspecific interactions, but few empirical studies have systematically unraveled these dynamics. We investigated the role of several factors ... -
Colonization, mouse-style
(BioMed Central, 2010-10-26)Several recent papers, including one in BMC Evolutionary Biology, examine the colonization history of house mice. As well as background for the analysis of mouse adaptation, such studies offer a perspective on the history ... -
Community heterogeneity and the evolution of interactions between plants and insect herbivores
(University of Chicago Press, 2006-12)Plant communities vary tremendously in terms of productivity, species diversity, and genetic diversity within species. This vegetation heterogeneity can impact both the likelihood and strength of interactions between plants ... -
Community-wide convergent evolution in insect adaptation to toxic cardenolides by substitutions in the NA,K-ATPase
(University of Chicago Press, 2012-06-19)The extent of convergent molecular evolution is largely unknown, yet is critical to understanding the genetics of adaptation. Target site insensitivity to cardenolides is a prime candidate for studying molecular convergence ... -
Community-wide impacts of herbivore-induced plant responses in milkweed (Asclepias syriaca)
(Ecological Society of America, 2004-09-01)The effects of early?season herbivory and subsequent induced plant responses have the potential to affect the diversity of herbivorous insect communities. We investigated the seasonal development of the herbivore fauna on ... -
Consequences of toxic secondary compounds in nectar for mutualist bees and antagonist butterflies
(Ecological Society of America, 2016-06-06)Attraction of mutualists and defense against antagonists are critical challenges for most organisms and can be especially acute for plants with pollinating and non?pollinating flower visitors. Secondary compounds in flowers ... -
Coupled biogeochemical cycles: eutrophication and hypoxia in temperate estuaries and coastal marine ecosystems
(Wiley, 2011-02-01)Nutrient fluxes to coastal areas have risen in recent decades, leading to widespread hypoxia and other ecological damage, particularly from nitrogen (N). Several factors make N more limiting in estuaries and coastal waters ... -
Cryptic population dynamics: rapid evolution masks trophic interactions
(Public Library of Science (PLOS), 2007-09)Trophic relationships, such as those between predator and prey or between pathogen and host, are key interactions linking species in ecological food webs. The structure of these links and their strengths have major ... -
Cyanobacteria facilitate parasite epidemics in Daphnia
(Ecological Society of America, 2016-12)The seasonal dominance of cyanobacteria in the phytoplankton community of lake ecosystems can have severe implications for higher trophic levels. For herbivorous zooplankton such as Daphnia, cyanobacteria have poor nutritional ... -
Data from: Consumer-resource dynamics is an eco-evolutionary process in a natural plankton community
(2019)For an important consumer-resource interaction in a natural lake (Oneida Lake, New York State) in 2015, the ecological process of grazer population growth rate was a function of both evolutionary changing mean resistance ... -
Data from: Developmental temperature predicts the adult response to stressors in a free-living passerine
(2019)Early life conditions can have substantial effects on the ways animals respond to stressors as adults. In particular, thermal conditions during development affect juveniles’ responses to stressors, and there is evidence ... -
Deer Browsing Delays Succession by Altering Aboveground Vegetation and Belowground Seed Banks
(PLOS, 2014-03-07)Soil seed bank composition is important to the recovery of natural and semi-natural areas from disturbance and serves as a safeguard against environmental catastrophe. White-tailed deer (Odocoileus virginianus) populations ... -
Defense mutualisms enhance plant diversification
(National Academy of Sciences, 2014-09-22)The ability of plants to form mutualistic relationships with animal defenders has long been suspected to influence their evolutionary success, both by decreasing extinction risk and by increasing opportunity for speciation ... -
Direct and interactive effects of enemies and mutualists on plant performance: A meta-analysis
(Ecological Society of America, 2007-04-01)Plants engage in multiple, simultaneous interactions with other species; some (enemies) reduce and others (mutualists) enhance plant performance. Moreover, effects of different species may not be independent of one another; ... -
Divergent evolutionary processes associated with colonization of offshore islands
(Wiley, 2013-10-10)Oceanic islands have been a test ground for evolutionary theory, but here, we focus on the possibilities for evolutionary study created by offshore islands. These can be colonized through various means and by a wide range ...
