Indirect competition facilitates widespread displacement of one naturalized parasitoid of imported fire ants by another.

abstract：:A data set of common forest metrics was prepared using inventory data from Ecological Reserves in Maine, northeastern USA. An Ecological Reserve is generally defined as an area where timber harvesting does not occur and natural disturbance events are allowed to proceed without significant human influence. Beginning in...

journal_title：Ecology

authors： Kuehne C,Puhlick J,Weiskittel A,Cutko A,Cameron D,Sferra N,Schlawin J

更新日期：2018-12-01 00:00:00

abstract：:Abundance and population density are fundamental pieces of information for population ecology and species conservation, but they are difficult to estimate for rare and elusive species. Mark--resight models are popular for estimating population abundance because they are less invasive and expensive than traditional mar...

journal_title：Ecology

authors： Sollmann R,Gardner B,Parsons AW,Stocking JJ,McClintock BT,Simons TR,Pollock KH,O'Connell AF

更新日期：2013-03-01 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：:Ecological surprises, substantial and unanticipated changes in the abundance of one or more species that result from previously unsuspected processes, are a common outcome of both experiments and observations in community and population ecology. Here, we give examples of such surprises along with the results of a surv...

journal_title：Ecology

authors： Doak DF,Estes JA,Halpern BS,Jacob U,Lindberg DR,Lovvorn J,Monson DH,Tinker MT,Williams TM,Wootton JT,Carroll I,Emmerson M,Micheli F,Novak M

更新日期：2008-04-01 00:00:00

abstract：:The curvature of generalized Holling type functional response curves is controlled by a shape parameter b yielding hyperbolic type II (b = 1) to increasingly sigmoid type III (b > 1) responses. Empirical estimates of b vary considerably across taxa. Larger consumer-resource body mass ratios have been suggested to gene...

journal_title：Ecology

authors： Uszko W,Diehl S,Pitsch N,Lengfellner K,Müller T

更新日期：2015-12-01 00:00:00

abstract：:Many terrestrial plant and marine benthic communities involve intense competition for space as a means to survive and reproduce. Superior competitors can dominate other species numerically with high reproductive rates, indirectly with high growth rates that facilitate space acquisition, or directly with competitive ov...

journal_title：Ecology

authors： Lord J,Whitlatch R

更新日期：2015-05-01 00:00:00

abstract：:The input of external energy and matter in recipient ecosystems can act as a bottom-up force that subsidizes consumers, with subsequent cascading effects throughout the food web. Depending on the amount of input, dietary preference, and the strength of trophic links, allochthonous resources generally play a stabilizin...

journal_title：Ecology

authors： Recalde FC,Breviglieri CPB,Romero GQ

更新日期：2020-08-01 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：:Black spruce (Picea mariana) is the most abundant tree species in the boreal biome, but little is known about how climate warming may change recruitment in peatlands, especially those affected by permafrost thaw. We used results from a seven-year study in northern Manitoba, Canada, to address the following questions: ...

journal_title：Ecology

authors： Camill P,Chihara L,Adams B,Andreassi C,Barry A,Kalim S,Limmer J,Mandell M,Rafert G

更新日期：2010-02-01 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：: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：: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：:Studies of facilitation have primarily been limited to single mechanisms, species, or environments. We examined interacting mechanisms governing the facilitative effects of Pinus flexilis on two later successional understory species, Pseudotsuga menziesii and Ribes cereum, in different microhabitats and seasons at the...

journal_title：Ecology

authors： Baumeister D,Callaway RM

更新日期：2006-07-01 00:00:00

abstract：:The ecological impact of rapid environmental change will depend on the resistance of key ecosystems processes, which may be promoted by species that exert strong control over local environmental conditions. Recent theoretical work suggests that macrodetritivores increase the resistance of African savanna ecosystems to...

journal_title：Ecology

authors： Veldhuis MP,Laso FJ,Olff H,Berg MP

更新日期：2017-02-01 00:00:00

abstract：:Empirical and theoretical investigations of monocarpy have usually addressed the question of minimum or threshold sizes for reproduction. However, the range of flowering sizes observed in many monocarpic species is extraordinarily large (well beyond what can be called a "threshold"), and the sizes of flowering and non...

journal_title：Ecology

authors： Burd M,Read J,Sanson GD,Jaffré T

更新日期：2006-11-01 00:00:00

abstract：:Mires (bogs and fens) are nutrient-limited peatland ecosystems, the vegetation of which is especially sensitive to nitrogen deposition and climate change. The role of mires in the global carbon cycle, and the delivery of different ecosystem services can be considerably altered by changes in the vegetation, which has a...

journal_title：Ecology

authors： Hedwall PO,Brunet J,Rydin H

更新日期：2017-01-01 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：:Nonrandom seed release is an important determinant of how far seeds disperse, but the mechanisms that promote wind-related seed release under varying atmospheric conditions are poorly understood. We explored the use of particle image velocimetry (PIV) to gain a better mechanistic understanding of seed release by visua...

journal_title：Ecology

authors： Marchetto KM,Williams MB,Jongejans E,Auhl R,Shea K

更新日期：2010-08-01 00:00:00

abstract：:Increased incorporation of terrestrial organic matter (t-OM) into consumer biomass (allochthony) is believed to reduce growth capacity. In this study, we examined the relationship between crustacean zooplankton allochthony and production in a boreal lake that displays strong seasonal variability in t-OM inputs. Contra...

journal_title：Ecology

authors： Grosbois G,Vachon D,Del Giorgio PA,Rautio M

更新日期：2020-06-01 00:00:00

abstract：:There has been a lengthy debate on whether the abundance of adult reef fishes depends on prerecruitment or postrecruitment processes; however, we still do not have the ability to predict the magnitude of local fish recruitment. Here we show that the success of the leopard grouper (Mycteroperca rosacea) recruitment in ...

journal_title：Ecology

authors： Aburto-Oropeza O,Sala LE,Paredes G,Mendoza A,Ballesteros E

更新日期：2007-09-01 00:00:00

abstract：:Tolerance of foliar damage is widely recognized as an effective defense against herbivores and pathogens. However, tolerance of the impacts of antagonists on pollination success is less well understood. Here, we extend the framework of tolerance to foliar damage to understand how plants mitigate the pollination and fi...

journal_title：Ecology

authors： Irwin RE,Galen C,Rabenold JJ,Kaczorowski R,McCutcheon ML

更新日期：2008-11-01 00:00:00

abstract：:Estimating the species, phylogenetic, and functional diversity of a community is challenging because rare species are often undetected, even with intensive sampling. The Good-Turing frequency formula, originally developed for cryptography, estimates in an ecological context the true frequencies of rare species in a si...

journal_title：Ecology

authors： Chao A,Chiu CH,Colwell RK,Magnago LFS,Chazdon RL,Gotelli NJ

更新日期：2017-11-01 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：:Intrapopulation variation in habitat use is commonly seen among mobile animals, yet the mechanisms maintaining it have rarely been researched among untrackable species. To investigate how alternative life histories are maintained in a population of the loggerhead sea turtle (Caretta caretta), cumulative reproductive o...

journal_title：Ecology

authors： Hatase H,Omuta K,Tsukamoto K

更新日期：2013-11-01 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：:Some species have disproportionate influence on assemblage structure, given their numbers or biomass. Most examples of such "strong interactors" come from small-scale experiments or from observations of the effects of invasive species. There is evidence that entire avian assemblages in open woodlands can be influenced...

journal_title：Ecology

authors： MacNally R,Bowen M,Howes A,McAlpine CA,Maron M

更新日期：2012-03-01 00:00:00

abstract：:Using long-term data on two kangaroo rats in the Chihuahuan Desert of North America, we fitted logistic models including the exogenous effects of seasonal rainfall patterns. Our aim was to test the effects of intraspecific interactions and seasonal rainfall in explaining and predicting the numerical fluctuations of th...

journal_title：Ecology

authors： Lima M,Ernest SK,Brown JH,Belgrano A,Stenseth NC

更新日期：2008-09-01 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：:We studied a guild of desert winter annual plants that differ in long-term variation in per capita reproductive success (lb, the product of per capita survival from germination to reproduction, l, times per capita reproduction of survivors, b) to relate individual function to population and community dynamics. We hypo...

journal_title：Ecology

authors： Huxman TE,Barron-Gafford G,Gerst KL,Angert AL,Tyler AP,Venable DL

更新日期：2008-06-01 00:00:00

abstract：:Local species diversity is maintained over ecological time by a balance between dispersal and species interactions. Local-regional species richness relationships are often used to investigate the relative importance of these two processes and the scales at which they operate. For communities undergoing succession, the...

journal_title：Ecology

authors： Damschen EI,Brudvig LA

更新日期：2012-04-01 00:00:00