Estimating the functional form for the density dependence from life history data.

abstract：:In view of growing interest in understanding how biodiversity affects ecosystem functioning, we investigated effects of riparian plant diversity on litter decomposition in forest streams. Leaf litter from 10 deciduous tree species was collected during natural leaf fall at two locations (Massif Central in France and Ca...

journal_title：Ecology

authors： Lecerf A,Risnoveanu G,Popescu C,Gessner MO,Chauvet E

更新日期：2007-01-01 00:00:00

abstract：:Avian dispersal of seeds of the wild olive tree (Olea europaea var. sylvestris) was studied in Mediterranean shrubland, southern Spain. Fourteen species of small frugivorous birds in the genera Sylvia, Turdus, Sturnus, and Erithacus accounted for 97.4% of the fruits consumed by birds. The significance of each bird spe...

journal_title：Ecology

authors： Jordano P

更新日期：1987-12-01 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：:Foraging theory posits that isolation from refuge habitat within a landscape increases perceived predation risk and, thus, suppresses the foraging behavior of prey species. However, these effects may depend fundamentally on resource availability, which could affect prey boldness and can change considerably through bot...

journal_title：Ecology

authors： Gil MA,Zill J,Ponciano JM

更新日期：2017-02-01 00:00:00

abstract：:Providing a complete data set with species and trait information for a given area is essential for assessing plant conservation, management, and ecological restoration, for both local and global applications. Also, these data sets provide additional information for surveys or data collections, establishing the startin...

journal_title：Ecology

authors： Lorite J,Ros-Candeira A,Alcaraz-Segura D,Salazar-Mendías C

更新日期：2020-09-01 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：: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：:Inducible defenses are dynamic traits that modulate the strength of both plant-herbivore and herbivore-carnivore interactions. Surprisingly few studies have considered the relative contributions of induced plant and herbivore defenses to the overall balance of bottom-up and top-down control. Here we compare trophic ca...

journal_title：Ecology

authors： Van der Stap I,Vos M,Verschoor AM,Helmsing NR,Mooij WM

更新日期：2007-10-01 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：:Population context should influence pollination success and selection on floral display in animal-pollinated plants because attraction of pollinators depends not only on the characteristics of individual plants, but also on the attractiveness of co-occurring conspecifics. The insect-pollinated herb Primula farinosa is...

journal_title：Ecology

authors： Toräng P,Ehrlén J,Agren J

更新日期：2006-08-01 00:00:00

abstract：:Although birds and mammals play important roles in several mechanisms hypothesized to maintain plant diversity in species-rich habitats, there have been few long-term, community-level tests of their importance. We excluded terrestrial birds and mammals from fourteen 6 x 7.5 m plots in Australian primary tropical rain ...

journal_title：Ecology

authors： Theimer TC,Gehring CA,Green PT,Connell JH

更新日期：2011-08-01 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：:Evidence accumulates about the role of arbuscular mycorrhizal (AM) fungi in shaping plant communities, but little is known about the factors determining the biomass and coexistence of several types of AM fungi in a plant community. Here, using a consumer-resource framework that treats the relationship between plants a...

journal_title：Ecology

authors： Bachelot B,Lee CT

更新日期：2018-02-01 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：:Most taxa show consistent individual differences in behavior, a phenomenon often referred to as animal "personalities." While the links between individual personality and fitness have received considerable attention, little information is available on how animal personality impacts higher-order ecological processes, s...

journal_title：Ecology

authors： Royauté R,Pruitt JN

更新日期：2015-11-01 00:00:00

abstract：:Theory predicts that reproduction will change as individuals near the end of their lives by either increasing reproductive allocation (terminal allocation hypothesis) or decreasing allocation (senescence hypothesis) toward the end of life. Although senescence has received more support, few studies examine how both age...

journal_title：Ecology

authors： Tarwater CE,Arcese P

更新日期：2017-09-01 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：: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：:Tannins are believed to be particularly abundant in tropical tree foliage and are mainly associated with plant herbivore defense. Very little is known of the quantity, variation, and potential role of tannins in tropical leaf litter. Here we report on the interspecific variability of litter condensed tannin (CT) conce...

journal_title：Ecology

authors： Coq S,Souquet JM,Meudec E,Cheynier V,Hättenschwiler S

更新日期：2010-07-01 00:00:00

abstract：:On St. Paul Island, a remnant of the Bering Land Bridge, woolly mammoths persisted until 5,600 yr BP with no known predators or competitors, providing a natural system for studying hypothesized environmental drivers of extinction. These include overheating due to rising temperatures, starvation, and drought. Here, we ...

journal_title：Ecology

authors： Wang Y,Porter W,Mathewson PD,Miller PA,Graham RW,Williams JW

更新日期：2018-12-01 00:00:00

abstract：:Animal pollinators mediate reproduction of many plant species. Foraging theory suggests that animal pollinators exhibit preferences for common plant species in natural communities (positive frequency-dependent foraging) and temporary single-species specialization (flower constancy) during foraging bouts. Positive freq...

journal_title：Ecology

authors： Schmid B,Nottebrock H,Esler KJ,Pagel J,Böhning-Gaese K,Schurr FM,Mueller T,Schleuning M

更新日期：2016-11-01 00:00:00

abstract：:Belowground herbivory is commonly overlooked as a mechanism of top-down control in vegetated habitats, particularly in aquatic ecosystems. Recent research has revealed that increased densities of the herbivorous crab Sesarma reticulatum have led to runaway herbivory and widespread salt marsh die-off on Cape Cod, Massa...

journal_title：Ecology

authors： Coverdale TC,Altieri AH,Bertness MD

更新日期：2012-09-01 00:00:00

abstract：:Spatially synchronous population dynamics are important to ecosystem functioning and have several potential causes. By looking at synchrony in plant productivity over 18 years across two elevations in three types of coastal marsh habitat dominated by different clonal plant species in Georgia, USA, we were able to expl...

journal_title：Ecology

authors： Liu W,Pennings SC

更新日期：2020-12-28 00:00:00

abstract：:Paleorecords provide information on past environmental variability, and help define ecological reference conditions by means of changes in their characteristics (accumulation rate, geochemical composition, density, etc.). A measure of temporal dissimilarity, which has traditionally been used in dendrochronology and is...

journal_title：Ecology

authors： Biondi F,Qeadan F

更新日期：2008-04-01 00:00:00

abstract：:Monitoring to detect population declines is widespread, but also costly. There is, consequently, a need to optimize monitoring to maximize cost-effectiveness. Here we develop a quantitative decision analysis framework for how to optimally allocate resources for monitoring among species. By keeping the framework simple...

journal_title：Ecology

authors： Wilson HB,Rhodes JR,Possingham HP

更新日期：2015-11-01 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：:The expansion of shrubs and trees across high-latitude ecosystems is one of the most dramatic ecological manifestations of climate change. Most of the work quantifying these changes has been done in small areas and over relatively recent time scales. These land-cover transitions are highly spatially variable, and we h...

journal_title：Ecology

authors： Brodie JF,Roland CA,Stehn SE,Smirnova E

更新日期：2019-05-01 00:00:00

abstract：:Africa is home to the last intact guild of large carnivores and thus provides the only opportunity to investigate mechanisms of coexistence among large predator species. Strong asymmetric dominance hierarchies typically characterize guilds of large carnivores; but despite this asymmetry, subdominant species may persis...

journal_title：Ecology

authors： Cozzi G,Broekhuis F,McNutt JW,Turnbull LA,Macdonald DW,Schmid B

更新日期：2012-12-01 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：:Patches, gradients, and hierarchies are three common organizational frameworks for assessing the effects of spatial heterogeneity on species distributions. Since these frameworks are often chosen a priori, without knowledge of study systems, they may not correspond to the empirical heterogeneity present and may result...

journal_title：Ecology

authors： Talley TS

更新日期：2007-06-01 00:00:00