Sex-based differences in the adaptive value of social behavior contrasted against morphology and environment.

abstract：:The demography of vertebrate populations is governed in part by processes operating at large spatial scales that have synchronizing effects on demographic parameters over large geographic areas, and in part, by local processes that generate fluctuations that are independent across populations. We describe a statistica...

journal_title：Ecology

authors： Grosbois V,Harris MP,Anker-Nilssen T,McCleery RH,Shaw DN,Morgan BJ,Gimenez O

更新日期：2009-10-01 00:00:00

abstract：:Herbivory and dispersal play roles in the coexistence of primary producers with shared resource limitation by imposing trade-offs either through apparent competition or dispersal limitation. These mechanisms of coexistence can further interact with meta-ecosystem effects, which results in spatial heterogeneity through...

journal_title：Ecology

authors： Marleau JN,Guichard F

更新日期：2019-06-01 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：:The fact that superabundant invasive pests are also sometimes highly aggressive represents an interesting paradox. Strong intraspecific aggression should result in high intraspecific competition and limit the densities reached by exotic species. One mechanism that can allow invaders to attain high densities despite hi...

journal_title：Ecology

authors： Pintor LM,Sih A,Kerby JL

更新日期：2009-03-01 00:00:00

abstract：:Should we build our own phylogenetic trees based on gene sequence data, or can we simply use available synthesis phylogenies? This is a fundamental question that any study involving a phylogenetic framework must face at the beginning of the project. Building a phylogeny from gene sequence data (purpose-built phylogeny...

journal_title：Ecology

authors： Li D,Trotta L,Marx HE,Allen JM,Sun M,Soltis DE,Soltis PS,Guralnick RP,Baiser B

更新日期：2019-09-01 00:00:00

abstract：:Removal of predators can have strong indirect effects on primary producers through trophic cascades. Crustose coralline algae (CCA) are major primary producers worldwide that may be influenced by predator removal through changes in grazer composition and biomass. CCA have been most widely studied in Caribbean and temp...

journal_title：Ecology

authors： O'Leary JK,McClanahan TR

更新日期：2010-12-01 00:00:00

abstract：:The pervasive impact of invasive species has motivated considerable research to understand how characteristics of invaded communities, such as native species diversity, affect the establishment of invasive species. Efforts to identify general mechanisms that limit invasion success, however, have been frustrated by dis...

journal_title：Ecology

authors： Altieri AH,van Wesenbeeck BK,Bertness MD,Silliman BR

更新日期：2010-05-01 00:00:00

abstract：:Interactions between grazers and autotrophs are complex, including both top-down consumptive and bottom-up facilitative effects of grazers. Thus, in addition to consuming autotrophs, herbivores can also enhance autotroph biomass by recycling limiting nutrients, thereby increasing nutrient availability. Here, we evalua...

journal_title：Ecology

authors： Bracken ME,Dolecal RE,Long JD

更新日期：2014-06-01 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：: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：:Plants respond to volatile cues emitted by damaged neighbors to increase their defenses against herbivores. We examined whether plants communicated more effectively with local neighbors than distant neighbors in a reciprocal experiment at two sites. Three branches on focal plants were incubated with air from (1) a con...

journal_title：Ecology

authors： Karban R,Wetzel WC,Shiojiri K,Pezzola E,Blande JD

更新日期：2016-11-01 00:00:00

abstract：:Disease dynamics during pathogen invasion and establishment determine the impacts of disease on host populations and determine the mechanisms of host persistence. Temporal progression of prevalence and infection intensity illustrate whether tolerance, resistance, reduced transmission, or demographic compensation allow...

journal_title：Ecology

authors： Frick WF,Cheng TL,Langwig KE,Hoyt JR,Janicki AF,Parise KL,Foster JT,Kilpatrick AM

更新日期：2017-03-01 00:00:00

abstract：:Occurrence patterns of many sessile species in dynamic landscapes are not in equilibrium due to their slow rates of metapopulation colonization and extinction. Colonization-extinction data enable the estimation of colonization rates for such species, but collecting the necessary data may require long waiting times bet...

journal_title：Ecology

authors： Fabritius H,Singer A,Pennanen J,Snäll T

更新日期：2019-10-01 00:00:00

abstract：:What determines the seasonal and interannual variation of growth rates in trees in a tropical forest? We explore this question with a novel four-year high-temporal-resolution data set of carbon allocation from two forest plots in the Bolivian Amazon. The forests show strong seasonal variation in tree wood growth rates...

journal_title：Ecology

authors： Doughty CE,Malhi Y,Araujo-Murakami A,Metcalfe DB,Silva-Espejo JE,Arroyo L,Heredia JP,Pardo-Toledo E,Mendizabal LM,Rojas-Landivar VD,Vega-Martinez M,Flores-Valencia M,Sibler-Rivero R,Moreno-Vare L,Viscarra LJ,Chuviru-Castro

更新日期：2014-08-01 00:00:00

abstract：:Predators play a key role in shaping natural ecosystems, and understanding the factors that influence a predator's kill rate is central to predicting predator-prey dynamics. While prey density has a well-established effect on predation, it is increasingly apparent that predator density also can critically influence pr...

journal_title：Ecology

authors： Hossie TJ,Murray DL

更新日期：2016-04-01 00:00:00

abstract：:In tropical forests, resource-based niches and density-dependent mortality are mutually compatible mechanisms that can act simultaneously to limit seedling populations. Differences in the strengths of these mechanisms will determine their roles in maintaining species coexistence. In the first assessment of these mecha...

journal_title：Ecology

authors： Clark CJ,Poulsen JR,Levey DJ

更新日期：2012-03-01 00:00:00

abstract：:Metabolism shapes the ecosystem role of organisms by dictating their energy demand and nutrient recycling potential. Metabolic theory (MTE) predicts consumer metabolic and recycling rates will rise with warming, especially if body size declines, but it ignores potential for adaptation. We measured metabolic and nutrie...

journal_title：Ecology

authors： Moffett ER,Fryxell DC,Palkovacs EP,Kinnison MT,Simon KS

更新日期：2018-10-01 00:00:00

abstract：:Despite their potential to provide mechanistic explanations of rates of seed dispersal and seed fate, the functional and numerical responses of seed predators have never been explicitly examined within this context. Therefore, we investigated the numerical response of a small-mammal seed predator, Heteromys desmaresti...

journal_title：Ecology

authors： Klinger R,Rejmánek M

更新日期：2009-06-01 00:00:00

abstract：:Parasites are integral members of natural communities, but large-scale determinants of their abundance and diversity, including the importance of biotic and abiotic factors, both natural and anthropogenic, are often not well understood. Here, we examine which factors best predict larval trematode communities in the mu...

journal_title：Ecology

authors： Altman I,Byers JE

更新日期：2014-07-01 00:00:00

abstract：:Understanding the drivers and consequences of disease epidemics is an important frontier in ecology. However, long-term data on hosts, their parasites, and the corresponding environmental conditions necessary to explore these interactions are often unavailable. We examined the dynamics of Daphnia pulicaria, a keystone...

journal_title：Ecology

authors： Johnson PT,Ives AR,Lathrop RC,Carpenter SR

更新日期：2009-01-01 00:00:00

abstract：:For decades, ecologists have been testing for species saturation by using regression analysis to determine the relationship between local and regional species richness. The cumulative result of scores of studies and meta-analyses has led to a general consensus that evidence of species saturation is relatively uncommon...

journal_title：Ecology

authors： Szava-Kovats RC,Ronk A,Pärtel M

更新日期：2013-09-01 00:00:00

abstract：:Insect mutualisms can have disproportionately large impacts on local arthropod and plant communities and their responses to climatic change. The objective of this study was to determine if the presence of insect mutualisms affects host plant and herbivore responses to warming. Using open-top warming chambers at Harvar...

journal_title：Ecology

authors： Marquis M,Del Toro I,Pelini SL

更新日期：2014-01-01 00:00:00

abstract：:Temperature imposes a constraint on the rates and outcomes of ecological processes that determine community- and ecosystem-level patterns. The application of metabolic scaling theory has advanced our understanding of the influence of temperature on pattern and process in marine communities. Metabolic scaling theory us...

journal_title：Ecology

authors： Bruno JF,Carr LA,O'Connor MI

更新日期：2015-12-01 00:00:00

abstract：:It has been proposed that plant biodiversity may increase the erosion resistance of soils, yet direct evidence for any such relationship is lacking. We conducted a mesocosm experiment with eight species of riparian herbaceous plants, and found evidence that plant biodiversity significantly reduced fluvial erosion rate...

journal_title：Ecology

authors： Allen DC,Cardinale BJ,Wynn-Thompson T

更新日期：2016-01-01 00:00:00

abstract：:Analyzing ecological data often requires modeling the autocorrelation created by spatial and temporal processes. Many seemingly disparate statistical methods used to account for autocorrelation can be expressed as regression models that include basis functions. Basis functions also enable ecologists to modify a wide r...

journal_title：Ecology

authors： Hefley TJ,Broms KM,Brost BM,Buderman FE,Kay SL,Scharf HR,Tipton JR,Williams PJ,Hooten MB

更新日期：2017-03-01 00:00:00

abstract：:Identifying the factors that destabilize communities is critical for predicting and mitigating the ecological impacts of environmental change. Although theory has shown that local ecosystem size and regional dispersal can determine biodiversity, less is known about the direct and indirect effects of these factors on c...

journal_title：Ecology

authors： Yeager ME,Gouhier TC,Hughes AR

更新日期：2020-04-01 00:00:00

abstract：:The nonnative annual grass Bromus tectorum has successfully replaced native vegetation in many arid and semiarid ecosystems. Initial introductions accompanied grazing and agriculture, making it difficult to separate the effects of invasion from physical disturbance. This study examined N dynamics in two recently invad...

journal_title：Ecology

authors： Sperry LJ,Belnap J,Evans RD

更新日期：2006-03-01 00:00:00

abstract：:Biological invasions can change ecosystem function, have tremendous economic costs, and impact human health; understanding the forces that cause and maintain biological invasions is thus of immediate importance. A mechanism by which exotic plants might displace native plants is by increasing the pressure of native con...

journal_title：Ecology

authors： Orrock JL,Witter MS,Reichman OJ

更新日期：2008-04-01 00:00:00

abstract：:As the theoretical bases for the dynamics of spatially subsidized communities emerge, ecologists question whether spatially subsidized communities exhibit similar structure or dynamics to communities that receive strongly pulsed resources. In both cases, communities may be structured by responses to resources that are...

journal_title：Ecology

authors： Anderson WB,Wait DA,Stapp P

更新日期：2008-03-01 00:00:00

abstract：:We considered Cushing's match/mismatch theory in a heterotrophic environment and hypothesized that settlement and recruitment success in blue mussel are higher when the food supply is rich in polyunsaturated and essential fatty acids (PUFA/EFA). To test this hypothesis, we monitored larval development as well as fatty...

journal_title：Ecology

authors： Toupoint N,Gilmore-Solomon L,Bourque F,Myrand B,Pernet F,Olivier F,Tremblay R

更新日期：2012-08-01 00:00:00