Allochthonous aquatic subsidies alleviate predation pressure in terrestrial ecosystems.

abstract：:Foundation species structure forest communities and ecosystems but are difficult to identify without long-term observations or experiments. We used statistical criteria--outliers from size-frequency distributions and scale-dependent negative effects on alpha diversity and positive effects on beta diversity--to identif...

journal_title：Ecology

authors： Qiao X,Zhang J,Wang Z,Xu Y,Zhou T,Mi X,Cao M,Ye W,Jin G,Hao Z,Wang X,Wang X,Tian S,Li X,Xiang W,Liu Y,Shao Y,Xu K,Sang W,Zeng F,Ren H,Jiang M,Ellison AM

更新日期：2020-10-26 00:00:00

abstract：:Consumer-mediated nutrient supply is increasingly recognized as an important functional process in many ecosystems. Yet, experimentation at relevant spatial and temporal scales is needed to fully integrate this bottom-up pathway into ecosystem models. Artificial reefs provide a unique approach to explore the importanc...

journal_title：Ecology

authors： Allgeier JE,Yeager LA,Layman CA

更新日期：2013-02-01 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：:Dispersal evolves as an adaptive mechanism to optimize individual fitness across the landscape. Specifically, dispersal represents a mechanism to escape fitness costs resulting from changes in environmental conditions. Decades of empirical work suggest that individuals use local habitat cues to make movement decisions...

journal_title：Ecology

authors： Addis BR,Lowe WH

更新日期：2020-04-01 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：:River systems form dendritic ecological networks that influence the spatial structure of riverine communities. Few empirical studies have evaluated how regional, dispersal-related processes and local habitat factors interact to govern network patterns of species composition. We explore such interactions in a boreal wa...

journal_title：Ecology

authors： Kuglerová L,Jansson R,Sponseller RA,Laudon H,Malm-Renöfält B

更新日期：2015-02-01 00:00:00

abstract：:Recent theory predicts that stochastic dilution effects may result in species-rich communities with statistically independent species spatial distributions, even if the underlying ecological processes structuring the community are driven by deterministic niche differences. Stochastic dilution is a consequence of the s...

journal_title：Ecology

authors： Wang X,Wiegand T,Kraft NJ,Swenson NG,Davies SJ,Hao Z,Howe R,Lin Y,Ma K,Mi X,Su SH,Sun IF,Wolf A

更新日期：2016-02-01 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：:Leaving a population without having information about the surrounding areas is highly risky. Candidates for dispersal may reduce these risks by making decisions based on the level of connectivity between patches, e.g., through immigrants. The benefits of information acquisition may vary within a population according t...

journal_title：Ecology

authors： Cote J,Clobert J

更新日期：2010-05-01 00:00:00

abstract：:Nestedness and modularity have been recurrently observed in species interaction networks. Some studies argue that those topologies result from selection against unstable networks, and others propose that they likely emerge from processes driving the interactions between pairs of species. Here we present a model that s...

journal_title：Ecology

authors： Pinheiro RBP,Felix GMF,Dormann CF,Mello MAR

更新日期：2019-09-01 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：:Kelp forests are known as key habitats for species diversity and macroalgal productivity; however, we know little about how these biogenic habitats interact with seawater chemistry and phototroph productivity in the water column. We examined kelp forest functions at three locales along the Olympic Peninsula of Washing...

journal_title：Ecology

authors： Pfister CA,Altabet MA,Weigel BL

更新日期：2019-10-01 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

abstract：:The role of tree diversity in restored forests and its impact on key ecological processes like growth and resistance to herbivory has become increasingly important. We analyzed height growth and white-tailed deer Odocoileus virginianus browsing damage to saplings of 16 broadleaved tree species in a large-scale (13 ha)...

journal_title：Ecology

authors： Devaney JL,Pullen J,Cook-Patton SC,Burghardt KT,Parker JD

更新日期：2020-08-01 00:00:00

abstract：:Feeding fronts are a striking pattern of spatial distribution observed in both marine and terrestrial ecological systems. These fronts not only determine the abundance and distribution of prey populations, but on a broader scale they may also affect the structure and dynamics of entire communities. Several mechanisms ...

journal_title：Ecology

authors： Lauzon-Guay JS,Scheibling RE,Barbeau MA

更新日期：2008-11-01 00:00:00

abstract：:As a strategic cost-saving alternative to constitutive resistance, induction of resistance against herbivores in plants can be especially beneficial when enemies are scarce or variable in abundance. Although probably describing the two ends of a continuum, constitutive and induced resistance strategies have long been ...

journal_title：Ecology

authors： Kalske A,Kessler A

更新日期：2020-11-01 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：:Lianas (woody vines) are an important and dynamic component of many forests throughout the world, and increases in CO2, mean winter temperature, and forest fragmentation may promote their growth and proliferation in temperate forests. In this study, we used a 45-year data set to test the hypothesis that lianas have in...

journal_title：Ecology

authors： Londré RA,Schnitzer SA

更新日期：2006-12-01 00:00:00

abstract：:There is now strong evidence suggesting that interactions between plants and their species-specific antagonistic microbes can maintain native plant community diversity. In contrast, the decay in diversity in plant communities invaded by nonnative plant species might be caused by weakening negative feedback strengths, ...

journal_title：Ecology

authors： Pizano C,Kitajima K,Graham JH,Mangan SA

更新日期：2019-12-01 00:00:00

abstract：:Nitrogen (N) deposition in heavily polluted southern Californian shrublands is estimated to be 20-45 kg N x ha(-1) x yr(-1), but more exposed locales can receive as much as 145 kg N x ha(-1) x yr(-1). This large anthropogenic N input has the capacity to alter the composition of plant communities. We conducted N-fertil...

journal_title：Ecology

authors： Vourlitis GL,Pasquini SC

更新日期：2009-08-01 00:00:00

abstract：:Although negative relationships between diversity (frequently measured as species richness) and invasibility at neighborhood or community scales have often been reported, realistic natural diversity gradients have rarely been studied at this scale. We recreated a naturally occurring gradient in species richness to tes...

journal_title：Ecology

authors： Alofs KM,Fowler NL

更新日期：2013-03-01 00:00:00

abstract：:Although the study of resource subsidies has emerged as a key topic in both ecosystem and food web ecology, the dialogue over their role has been limited by separate approaches that emphasize either subsidy quantity or quality. Considering quantity and quality together may provide a simple, but previously unexplored, ...

journal_title：Ecology

authors： Marcarelli AM,Baxter CV,Mineau MM,Hall RO Jr

更新日期：2011-06-01 00:00:00

abstract：:Plant biomass or productivity and the species richness of birds are associated across a range of spatial scales. Species-energy theory is generally assumed to explain these correlations. If true, bird richness should also track productivity temporally, and there should be spatial and temporal relationships between pro...

journal_title：Ecology

authors： Dobson LL,La Sorte FA,Manne LL,Hawkins BA

更新日期：2015-04-01 00:00:00

abstract：:We analyze an age-, size- and sex-structured model to investigate how the interplay between individual-level energy budget dynamics and the feedback of population grazing on resources shapes the individual life history and the dynamics of ungulate populations, living in a predator-free, seasonal resource environment. ...

journal_title：Ecology

authors： De Roos AM,Galic N,Heesterbeek H

更新日期：2009-04-01 00:00:00

abstract：:Piles of large wood (LW) deposited by major floods in river corridors can interact with naturally occurring wildfires from uplands to impact the regeneration of riparian vegetation. This study examines the spatial and short-term temporal response of riparian vegetation and soil nutrients to fire along the Sabie River,...

journal_title：Ecology

authors： Pettit NE,Naiman RJ

更新日期：2007-08-01 00:00:00

abstract：:A core goal of ecology is to understand the abiotic and biotic variables that regulate species distributions and community composition. A major obstacle is that the rules governing species distributions can change with spatial scale. Here, we illustrate this point using data from a spatially nested metacommunity of pa...

journal_title：Ecology

authors： Bolnick DI,Resetarits EJ,Ballare K,Stuart YE,Stutz WE

更新日期：2020-12-01 00:00:00

abstract：:Long-term studies have revealed that the structure and dynamics of many tropical forests are changing, but the causes and consequences of these changes remain debated. To learn more about the forces driving changes within tropical forests, we investigated shifts in tree species composition over the past 25 years withi...

journal_title：Ecology

authors： Feeley KJ,Davies SJ,Perez R,Hubbell SP,Foster RB

更新日期：2011-04-01 00:00:00

abstract：:Heterogeneity in site quality can play an important role in patterns of abundance and population dynamics. Yet, estimating site quality in natural systems can be problematic because site quality can (1) vary through ontogeny for a focal organism, leading to shifts in site quality with age, (2) be confounded with (or m...

journal_title：Ecology

authors： Shima JS,Osenberg CW,St Mary CM

更新日期：2008-01-01 00:00:00

abstract：:Consumer-resource systems with linear arrays of substitutable resources form the conceptual basis of much of present-day competition theory. However, most analyses of the limiting similarity of competitors have only employed consumer-resource models as a justification for using the Lotka-Volterra competition equations...

journal_title：Ecology

authors： Abrams PA,Rueffler C

更新日期：2009-03-01 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