Reduced pollinator service and elevated pollen limitation at the geographic range limit of an annual plant.

abstract：:We examined the relationship between the isolation of experimental aquatic mesocosms and the abundance of an aquatic insect colonist, Notonecta irrorata, over two years. We used a curve-fitting approach to assess whether linear or quadratic models better describe the relationship between isolation and abundance. For t...

journal_title：Ecology

authors： McCauley SJ,Davis CJ,Nystrom J,Werner EE

更新日期：2009-09-01 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：:For sessile organisms, dispersal and recruitment are typically spatially stochastic, but there is little understanding of how this variability scales up to influence processes such as competitive coexistence. Here we argue that coexistence of benthic marine animals is enhanced by stochastic differences between species...

journal_title：Ecology

authors： Edwards KF,Stachowicz JJ

更新日期：2011-05-01 00:00:00

abstract：:Historically, desert drainages of the American southwest supported productive riverine wetlands (ciénegas). Region-wide erosion of ciénegas during the late 19th and early 20th century dramatically reduced the abundance of these ecosystems, but recent reestablishment of wetlands in Sycamore Creek, Arizona, USA, provide...

journal_title：Ecology

authors： Heffernan JB

更新日期：2008-05-01 00:00:00

abstract：:The extent to which populations in nature are regulated by density-dependent processes is unresolved. While experiments increasingly find evidence of strong density dependence, unmanipulated population time series yield much more ambiguous evidence of regulation, especially when accounting for effects of observation e...

journal_title：Ecology

authors： Thibaut LM,Connolly SR

更新日期：2020-01-01 00:00:00

abstract：:Competitive interactions among species with similar ecological niches are known to regulate the assembly of biological communities. However, it is not clear whether such forms of competition can predict the collapse of communities and associated shifts in ecosystem function in the face of environmental change. Here, w...

journal_title：Ecology

authors： Bregman TP,Lees AC,Seddon N,Macgregor HE,Darski B,Aleixo A,Bonsall MB,Tobias JA

更新日期：2015-10-01 00:00:00

abstract：:Ecosystems can undergo abrupt transitions between alternative stable states when the driver crosses a critical threshold. Dynamical systems theory shows that when ecosystems approach the point of loss of stability associated with these transitions, they take a long time to recover from perturbations, a phenomenon know...

journal_title：Ecology

authors： Majumder S,Tamma K,Ramaswamy S,Guttal V

更新日期：2019-07-01 00:00:00

abstract：:There is growing evidence for the influence of plant intraspecific variation on associated multi-trophic communities, but the traits driving such effects are largely unknown. We conducted a field experiment with selected genetic lines of the dioecious shrub Baceharis salicifolia to investigate the effects of plant gro...

journal_title：Ecology

authors： Abdala-Roberts L,Pratt JD,Pratt R,Schreck TK,Hanna V,Mooney KA

更新日期：2016-03-01 00:00:00

abstract：:In large samples of trees > or = 1 cm dbh (more than 1 million trees and 3000 species), in six lowland tropical forests on three continents, we assigned species with >30 individuals to one of six classes of stature at maturity (SAM). We then compared the proportional representation of understory trees (1-2 cm dbh) amo...

journal_title：Ecology

authors： LaFrankie JV,Ashton PS,Chuyong GB,Co L,Condit R,Davies SJ,Foster R,Hubbell SP,Kenfack D,Lagunzad D,Losos EC,Nor NS,Tan S,Thomas DW,Valencia R,Villa G

更新日期：2006-09-01 00:00:00

abstract：:The competitive exclusion principle is fundamental to understanding coexistence. Well-established theories predict the conditions for coexistence in consumer-resource interactions. Given that species often compete for commodities offered by mutualists, competitive exclusion theory should also be critical to understand...

journal_title：Ecology

authors： Johnson CA,Bronstein JL

更新日期：2019-06-01 00:00:00

abstract：:Understanding of how plant communities are organized and will respond to global changes requires an understanding of how plant species respond to multiple environmental gradients. We examined the mechanisms mediating the distribution patterns of tidal marsh plants along an estuarine gradient in Georgia (USA) using a c...

journal_title：Ecology

authors： Guo H,Pennings SC

更新日期：2012-01-01 00:00:00

abstract：:Research examining the relationship between community diversity and invasions by nonnative species has raised new questions about the theory and management of biological invasions. Ecological theory predicts, and small-scale experiments confirm, lower levels of nonnative species invasion into species-rich compared to ...

journal_title：Ecology

authors： Belote RT,Jones RH,Hood SM,Wender BW

更新日期：2008-01-01 00:00:00

abstract：:Historically, terrestrial food web theory has been compartmentalized into interactions among aboveground or belowground communities. In this study we took a more synthetic approach to understanding food web interactions by simultaneously examining four trophic levels and investigating how nutrient (nitrogen and carbon...

journal_title：Ecology

authors： Hines J,Megonigal JP,Denno RF

更新日期：2006-06-01 00:00:00

abstract：:An understanding of the demographic processes contributing to invasions would improve our mechanistic understanding of the invasion process and improve the efficiency of prevention and control efforts. However, field comparisons of the demography of invasive and noninvasive species have not previously been conducted. ...

journal_title：Ecology

authors： Burns JH,Pardini EA,Schutzenhofer MR,Chung YA,Seidler KJ,Knight TM

更新日期：2013-05-01 00:00:00

abstract：:The interplay between local and large spatial scale processes in open systems is often dependent upon ecological context and species specific factors such as longevity, dispersal capability, or vulnerability to predation. When disturbance clears patches in open systems, the successful reestablishment of adult colonize...

journal_title：Ecology

authors： Methratta ET,Petraitis PS

更新日期：2008-11-01 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：:Intensive land use activities, such as agriculture, are a leading cause of biodiversity loss and can have lasting impacts on ecological systems. Yet, few studies have investigated how land-use legacies impact phylogenetic diversity (the total amount of evolutionary history in a community) or how restoration activities...

journal_title：Ecology

authors： Turley NE,Brudvig LA

更新日期：2016-09-01 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：:Individuals vary in their phenotype and propensity for growth and survival, but the demographic consequences of this remain poorly understood. We extend previous theoretical work on benthic marine populations and formulate a new model to evaluate how demographic heterogeneity among newly settled reef fish affects popu...

journal_title：Ecology

authors： Noonburg EG,Chen A,Shima JS,Swearer SE

更新日期：2015-05-01 00:00:00

abstract：:Seed dispersal fundamentally influences plant population and community dynamics but is difficult to quantify directly. Consequently, models are frequently used to describe the seed shadow (the seed deposition pattern of a plant population). For vertebrate-dispersed plants, animal behavior is known to influence seed sh...

journal_title：Ecology

authors： Russo SE,Portnoy S,Augspurger CK

更新日期：2006-12-01 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：: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：:Within the context of species distribution models, scrutiny arises from the choice of meaningful environmental predictors. Thermal conditions are not the sole driver, but are the most widely acknowledged abiotic driver of plant life within alpine ecosystems. We linked long-term measurements of direct, plant-relevant, ...

journal_title：Ecology

authors： Löffler J,Pape R

更新日期：2020-01-01 00:00:00

abstract：:Sensitivity and elasticity analysis of population projection matrices (PPMs) are established tools in the analysis of structured populations, allowing comparison of the contributions made by different demographic rates to population growth. In some commonly used structures of PPM, however, there are mathematically ine...

journal_title：Ecology

authors： Carslake D,Townley S,Hodgson DJ

更新日期：2009-11-01 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：: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：:Indirect biotic interactions play a crucial role in structuring ecological communities, but many of these interactions have not been explored. Algal competition and corallivory are two major stressors contributing to the decline of coral reefs. Here, we provide the first evidence of algal-induced corallivory and syner...

journal_title：Ecology

authors： Wolf AT,Nugues MM

更新日期：2013-08-01 00:00:00

abstract：:The Caspian Sea hosts unique native and endemic faunas. However, it is also a source and sink of invasive alien species (IAS), with some listed among the worst 100 invasive species by the IUCN. A common approach to study biodiversity and biogeographic patterns or to predict the invasive potential of species is the app...

journal_title：Ecology

authors： Lattuada M,Wilke T,Raes N

更新日期：2020-09-01 00:00:00

abstract：:Competition is predicted to affect the expression of inducible defenses, but because costs of behavioral and morphological antipredator defenses differ along resource gradients, its effects on defenses may depend on the traits considered. We tested the predictions from different defense models in tadpoles of the commo...

journal_title：Ecology

authors： Teplitsky C,Laurila A

更新日期：2007-07-01 00:00:00

abstract：:Ants are a widespread group of ecologically important insects. Therefore, ants that are important predators of other ants are likely to play key roles by changing the abundance and impacts of their prey. Familiar arthropod predators, like army ants, are known for their overwhelming raids on invertebrate prey but are l...

journal_title：Ecology

authors： Ohyama L,King JR,Jenkins DG

更新日期：2020-08-01 00:00:00