Wetlands as an alternative stable state in desert streams.

abstract：:Character displacement may facilitate species coexistence through niche partitioning. However, the degree to which character displacement influences broader patterns of community assembly is unclear. Here, we capitalize on a natural experiment of community assembly on the oceanic island of Bermuda. Over the past centu...

journal_title：Ecology

authors： Stroud JT,Giery ST,Outerbridge M,Feeley KJ

更新日期：2019-08-01 00:00:00

abstract：:Random walks are used to model movement in a wide variety of contexts: from the movement of cells undergoing chemotaxis to the migration of animals. In a two-dimensional biased random walk, the diffusion about the mean drift position is entirely dependent on the moments of the angular distribution used to determine th...

journal_title：Ecology

authors： Codling EA,Bearon RN,Thorn GJ

更新日期：2010-10-01 00:00:00

abstract：:Sea turtle nesting presents a potential pathway to subsidize nutrient-poor dune ecosystems, which provide the nesting habitat for sea turtles. To assess whether this positive feedback between dune plants and turtle nests exists, we measured N concentration and delta15N values in dune soils, leaves from a common dune p...

journal_title：Ecology

authors： Hannan LB,Roth JD,Ehrhart LM,Weishampel JF

更新日期：2007-04-01 00:00:00

abstract：:Does climate determine species' ranges? Rapid rates of anthropogenic warming make this classic ecological question especially relevant. We ask whether climate controls range limits by quantifying relationships between climatic variables (precipitation, temperature) and tree growth across the altitudinal ranges of six ...

journal_title：Ecology

authors： Ettinger AK,Ford KR,HilleRisLambers J

更新日期：2011-06-01 00:00:00

abstract：:Classical approaches for the analyses of density dependence assume that all the individuals in a population equally respond and equally contribute to density dependence. However, in age-structured populations, individuals of different ages may differ in their responses to changes in population size and how they contri...

journal_title：Ecology

authors： Gamelon M,Grøtan V,Engen S,Bjørkvoll E,Visser ME,Saether BE

更新日期：2016-09-01 00:00:00

abstract：:Plant tolerance of herbivory, i.e., the ability to recover after damage, is an important component of how plants cope with herbivores. Tolerance has long been hypothesized to be constrained evolutionarily by plant resistance to herbivores, traits that allow plants to cope with stressful growing conditions, and traits ...

journal_title：Ecology

authors： Pearse IS,Aguilar J,Schroder J,Strauss SY

更新日期：2017-11-01 00:00:00

abstract：:Studies of the distribution of elusive forest wildlife have suffered from the confounding of true presence with the uncertainty of detection. Occupancy modeling, which incorporates probabilities of species detection conditional on presence, is an emerging approach for reducing observation bias. However, the current li...

journal_title：Ecology

authors： Chelgren ND,Adams MJ,Bailey LL,Bury RB

更新日期：2011-02-01 00:00:00

abstract：:Whether different sources of mortality are additive, compensatory, or depensatory is a key question in population biology. A way to test for additivity is to calculate the correlation between cause-specific mortality rates obtained from marked animals. However, existing methods to estimate this correlation raise sever...

journal_title：Ecology

authors： Servanty S,Choquet R,Baubet E,Brandt S,Gaillard JM,Schaub M,Toïgo C,Lebreton JD,Buoro M,Gimenez O

更新日期：2010-07-01 00:00:00

abstract：:Carry-over effects have major implications for individual fitness and population and evolutionary dynamics. The strength of these effects is dependent on an individual's intrinsic performance and the environmental conditions it experiences. However, understanding the relative importance of environmental and intrinsic ...

journal_title：Ecology

authors： Daunt F,Reed TE,Newell M,Burthe S,Phillips RA,Lewis S,Wanless S

更新日期：2014-08-01 00:00:00

abstract：:The importance of density dependence in natural communities continues to spark much debate because it is fundamental to population regulation. We used temporal manipulations of density to explore potentially stabilizing density dependence in early survivorship among six local populations of a tropical damselfish (Dasc...

journal_title：Ecology

authors： Schmitt RJ,Holbrook SJ

更新日期：2007-05-01 00:00:00

abstract：:Herbivores may directly or indirectly affect plant attractiveness to pollinators. Although several studies have reported on these effects, there is yet no general consensus on the strength and sign of such interactions or their contingency on herbivory features such as the plant tissue attacked. We performed a meta-an...

journal_title：Ecology

authors： Moreira X,Castagneyrol B,Abdala-Roberts L,Traveset A

更新日期：2019-06-01 00:00:00

abstract：:Given recent focus on large rivers as conduits for excess nutrients to coastal zones, their role in processing and retaining nutrients has been overlooked and understudied. Empirical measurements of nutrient uptake in large rivers are lacking, despite a substantial body of knowledge on nutrient transport and removal i...

journal_title：Ecology

authors： Tank JL,Rosi-Marshall EJ,Baker MA,Hall RO Jr

更新日期：2008-10-01 00:00:00

abstract：:Megaherbivores and small burrowing mammals commonly coexist and play important functional roles in grassland ecosystems worldwide. The interactive effects of these two functional groups of herbivores in shaping the structure and function of grassland ecosystems are poorly understood. In North America's central grassla...

journal_title：Ecology

authors： Davidson AD,Ponce E,Lightfoot DC,Fredrickson EL,Brown JH,Cruzado J,Brantley SL,Sierra-Corona R,List R,Toledo D,Ceballos G

更新日期：2010-11-01 00:00:00

abstract：:Ecologists are faced with the challenge of how to scale up from the activities of individual plants and animals to the macroscopic dynamics of populations and communities. It is especially difficult to do this in communities of plants where the fate of individuals depends on their immediate neighbors rather than an av...

journal_title：Ecology

authors： Adams TP,Holland EP,Law R,Plank MJ,Raghib M

更新日期：2013-12-01 00:00:00

abstract：:Ecological tests of 1/f-noise models have advanced our understanding of how environmental fluctuations affect population abundance and species distributions. Most empirical studies have been conducted under controlled laboratory conditions and have focused on individual drivers. We present the results of a four-year f...

journal_title：Ecology

authors： Tamburello L,Bulleri F,Bertocci I,Maggi E,Benedetti-Cecchi L

更新日期：2013-05-01 00:00:00

abstract：:Soil microbial communities have the metabolic and genetic capability to adapt to changing environmental conditions on very short time scales. In this paper we combine biogeochemical and molecular approaches to reveal this potential, showing that microbial biomass can turn over on time scales of days to months in soil,...

journal_title：Ecology

authors： Schmidt SK,Costello EK,Nemergut DR,Cleveland CC,Reed SC,Weintraub MN,Meyer AF,Martin AM

更新日期：2007-06-01 00:00:00

abstract：:Trophic cascades are often a potent force in ecological communities, but abiotic and biotic heterogeneity can diffuse their influence. For example, inducible defenses in many species create variation in prey edibility, and size-structured interactions, such as cannibalism, can shift predator diets away from heterospec...

journal_title：Ecology

authors： Kishida O,Trussell GC,Nishimura K,Ohgushi T

更新日期：2009-11-01 00:00:00

abstract：:Grazing, fire, and climate shape mesic grassland communities. With global change altering all three factors, understanding how grasslands respond to changes in these combined drivers may aid in projecting future changes in grassland ecosystems. We manipulated rainfall and simulated grazing (clipping) in two long-term ...

journal_title：Ecology

authors： Koerner SE,Collins SL

更新日期：2014-01-01 00:00:00

abstract：:Although many studies have investigated plant growth in the context of episodic herbivory and pressed resource availability, relatively few have examined how plant growth is affected by pulsed resources and chronic herbivory. Periodical cicada (Magicicada spp.) adults represent a pulsed detrital subsidy that fertilize...

journal_title：Ecology

authors： Yang LH,Karban R

更新日期：2019-06-01 00:00:00

abstract：:Many tropical forests are characterized by large losses of plant-available forms of nitrogen (N), indicating that they are N rich, and by an abundance of plants capable of symbiotic N fixation. These N-fixing plants can fix enough N to drive N richness. However, biological N fixation (BNF) is more expensive than using...

journal_title：Ecology

authors： Menge DN,Levin SA

更新日期：2017-04-01 00:00:00

abstract：:Human-mediated increases in nutrient availability alter patterns of primary production, impact species diversity, and threaten ecosystem function. Nutrients can also alter community structure by disrupting the relationships between nutrient-sharing mutualists that form the foundation of communities. Given their oligot...

journal_title：Ecology

authors： Shantz AA,Burkepile DE

更新日期：2014-07-01 00:00:00

abstract：:Many young birds on the Arctic tundra are confronted by a challenging task: they must molt their feathers and accumulate fat stores for the autumn migration before climatic conditions deteriorate. Our understanding of the costs and constraints associated with these stages is extremely limited. We investigated post-juv...

journal_title：Ecology

authors： Bonier F,Martin PR,Jensen JP,Butler LK,Ramenofsky M,Wingfield JC

更新日期：2007-11-01 00:00:00

abstract：:Co-occurrence methods are increasingly utilized in ecology to infer networks of species interactions where detailed knowledge based on empirical studies is difficult to obtain. Their use is particularly common, but not restricted to, microbial networks constructed from metagenomic analyses. In this study, we test the ...

journal_title：Ecology

authors： Freilich MA,Wieters E,Broitman BR,Marquet PA,Navarrete SA

更新日期：2018-03-01 00:00:00

abstract：:We experimentally increased salinities in a tidal freshwater marsh on the Altamaha River (Georgia, USA) by exposing the organic rich soils to 3.5 yr of continuous (press) and episodic (pulse) treatments with dilute seawater to simulate the effects of climate change such as sea level rise (press) and drought (pulse). W...

journal_title：Ecology

authors： Solohin E,Widney SE,Craft CB

更新日期：2020-12-01 00:00:00

abstract：:In fewer than two decades after invading the Americas, the European fly Drosophila subobscura evolved latitudinal clines in several traits. Moreover, its chromosomal inversion frequencies at given localities have shifted with climate warming. Temperature may have driven the evolution of both geographic clines and with...

journal_title：Ecology

authors： Huey RB,Pascual M

更新日期：2009-07-01 00:00:00

abstract：:Although water availability is primarily seen as a factor affecting food availability (a bottom-up process), we examined its effect on predator-prey interactions through an influence on prey behavior (a top-down process). We documented a link between water availability, predation risk, and reproductive success in a go...

journal_title：Ecology

authors： Lecomte N,Gauthier G,Giroux JF

更新日期：2009-02-01 00:00:00

abstract：:Individuals of large or dark-colored ectothermic species often have a higher reproduction and activity than small or light-colored ones. However, investments into body size or darker colors should negatively affect the fitness of individuals as they increase their growth and maintenance costs. Thus, it is unlikely tha...

journal_title：Ecology

authors： Pinkert S,Friess N,Zeuss D,Gossner MM,Brandl R,Brunzel S

更新日期：2020-10-01 00:00:00

abstract：:Soil properties are well known to affect vegetation, but the role of soil heterogeneity in the patterning of vegetation dynamics is poorly documented. We asked whether the location of an ecotone separating grass-dominated and sparsely vegetated areas reflected only historical variation in degradation or was related to...

journal_title：Ecology

authors： Bestelmeyer BT,Ward JP,Havstad KM

更新日期：2006-04-01 00:00:00

abstract：:Theories of plant allometry provide a general description of allometric scaling that is supposedly applicable across a wide array of environmental conditions. Scaling theories, however, ignore disturbances such as herbivory in their derivation. Here we examine the influence of herbivores on the scaling of height and d...

journal_title：Ecology

authors： Moncrieff GR,Chamaillé-Jammes S,Higgins SI,O'Hara RB,Bond WJ

更新日期：2011-12-01 00:00:00

abstract：:The IUCN provides a spatial database for many species, including terrestrial mammals. This database includes shapefiles with taxonomic information and the extent of occurrence for each species, and has been used in hundreds of studies in ecology, biogeography and conservation. Here we provide updated distribution maps...

journal_title：Ecology

authors： Rojas D,Moreira M,Ramos Pereira MJ,Fonseca C,Dávalos LM

更新日期：2018-09-01 00:00:00