Sin Nombre hantavirus decreases survival of male deer mice.

abstract：:Calorific values for the vegetative tissues of a group of perennial desert and arid woodland plants ranged from 3,191 to 5,375 calories per gram, oven dry weight. These span the range of comparable values reported earlier for plants in other environments, and reflect variety in adaptations to dry environments. Tissues...

journal_title：Oecologia

authors： Darling MS

更新日期：1976-06-01 00:00:00

abstract：:Density dependence and environmental stochasticity are both potentially important processes influencing population demography and long-term population growth. Quantifying the importance of these two processes for population growth requires both long-term population as well as individual-based data. I use a 30-year dat...

journal_title：Oecologia

authors： Krüger O

更新日期：2007-06-01 00:00:00

abstract：:The pressure to escape natural enemies may shape how herbivorous insects use their plant resources. On wild crucifers, ovipositional preferences of the diamondback moth (Plutella xylostella; DBM) were similar to searching preferences of its main parasitoid, an ichneumonid wasp (Diadegma insulare). But on cultivated cr...

journal_title：Oecologia

authors： Fox LR,Eisenbach J

更新日期：1992-04-01 00:00:00

abstract：:The life-cycle of the dominant brackish water ostracod Cyprideis torosa (Jones, 1850) has been studied during 4 years. The species has only one generation anually. Reproduction is fairly similar throughout the years and appears to be tuned in to temperature. The number of adults has one peak every year and can be desc...

journal_title：Oecologia

authors： Heip C

更新日期：1976-09-01 00:00:00

abstract：:The decline of riparian Eucalyptus camphora/E. ovata stands is examined in relation to an increase in nitrogen availability and to rising salinity in low-lying areas. There are several indications that declining stands are abnormally rich in N: (i) Nitrogen availability in declining stands was greater than that record...

journal_title：Oecologia

authors： Granger L,Kasel S,Adams MA

更新日期：1994-07-01 00:00:00

abstract：:Hawaiian lobeliads have radiated into habitats from open alpine bogs to densely shaded rainforest interiors, and show corresponding adaptations in steady-state photosynthetic light responses and associated leaf traits. Shaded environments are not uniformly dark, however, but punctuated by sunflecks that carry most of ...

journal_title：Oecologia

authors： Montgomery RA,Givnish TJ

更新日期：2008-03-01 00:00:00

abstract：:There is an increasing ecological interest in understanding the gradients in H(2)(18)O enrichment in leaf water (i.e. a Péclet effect), because an appreciation of the significance of the Péclet effect is important for improving our understanding of the mechanistic processes affecting the (18)O composition of leaf wate...

journal_title：Oecologia

authors： Barbour MM,Roden JS,Farquhar GD,Ehleringer JR

更新日期：2004-02-01 00:00:00

abstract：:At constant cladode temperature the stomatal resistance of O. inermis increased when the cladode-air vapor pressure difference was increased and stomatal resistance decreased when the cladode-air vapor pressure difference was lowered. Net CO2 fixation in the dark was very responsive to these humidity dependent changes...

journal_title：Oecologia

authors： Osmond CB,Ludlow MM,Davis R,Cowan IR,Powles SB,Winter K

更新日期：1979-07-01 00:00:00

abstract：:In tropical dry forests, a high interspecific variation in the strategies of fruiting phenology has been documented. Therefore, phenological responses may be mediated by influence of environmental variables, functional plant attributes or phylogenetic inertia. During 2 years, we recorded the fruiting phenology of 151 ...

journal_title：Oecologia

authors： Cortés-Flores J,Cornejo-Tenorio G,Urrea-Galeano LA,Andresen E,González-Rodríguez A,Ibarra-Manríquez G

更新日期：2019-01-01 00:00:00

abstract：:In white pine (Pinus strobus) seedlings grown in five forest soils from New York State, net photosynthetic capacity (Amax) plant-1 was correlated with total foliar N plant-1 (r 2=0.57), but was more highly correlated with total foliar P plant-1 (r 2=0.82). There was no relationship (r 2<0.01) between Amax [g leaf]-1 a...

journal_title：Oecologia

authors： Reich PB,Schoettle AW

更新日期：1988-10-01 00:00:00

abstract：:The tops of intertidal boulders on the east coast of Australia may carry a half-dozen algae, while the undersides may support a dozen or more species of sessile animals; mobile forms such as molluscs, crustaceans, and echinoderms are also common. These organisms are disturbed when boulders are moved by waves or buried...

journal_title：Oecologia

authors： McGuinness KA

更新日期：1987-02-01 00:00:00

abstract：:Invasion of non-native annuals across the Intermountain West is causing a widespread transition from perennial sagebrush communities to fire-prone annual herbaceous communities and grasslands. To determine how this invasion affects ecosystem function, carbon and water fluxes were quantified in three, paired sagebrush ...

journal_title：Oecologia

authors： Prater MR,Obrist D,Arnone JA 3rd,DeLucia EH

更新日期：2006-01-01 00:00:00

abstract：:Herbivore-induced defences appear ubiquitous across most biomes and habitats. Yet the direct correlation between induced changes in host plant chemistry and the population dynamics of the herbivore remain untested in many systems. In plant-herbivore interactions in the terrestrial environment, indirect or tritrophic i...

journal_title：Oecologia

authors： Coleman RA,Ramchunder SJ,Davis KM,Moody AJ,Foggo A

更新日期：2007-03-01 00:00:00

abstract：:Studies on the lizard, Anolis sagrei, revealed that after Hurricane Floyd devastated the Bahamas in 1999, some populations consisted only of hatchlings. Because the storm surge of the hurricane completely inundated these islands, apparently for up to 6 h, survival of anole eggs in salt water for such periods is implie...

journal_title：Oecologia

authors： Losos JB,Schoener TW,Spiller DA

更新日期：2003-11-01 00:00:00

abstract：:This study links summer foraging and scatter-hoarding to winter larder-hoarding and winter survival in yellow pine chipmunks (Tamias amoenus) by comparing patterns of time allocation and winter larder contents in 2 years with very different levels of resource availability. In 2003, seed production and the number of tr...

journal_title：Oecologia

authors： Kuhn KM,Vander Wall SB

更新日期：2008-08-01 00:00:00

abstract：:Long-term studies were carried out in central Finland between 1985 and 2003 to examine the temporal and spatial variation in the density of otter populations. Snow tracking was used to estimate the total population and the number of litters in the study area. In total 52 otters, including 16 cubs in 11 litters, lived ...

journal_title：Oecologia

authors： Sulkava RT,Sulkava PO,Sulkava PE

更新日期：2007-09-01 00:00:00

abstract：:For organisms that exhibit complex life cycles, resource conditions experienced by individuals before metamorphosis can strongly affect phenotypes later in life. Such resource-induced effects are known to arise from variation in resource quantity, yet little is known regarding effects stemming from variation in resour...

journal_title：Oecologia

authors： Stoler AB,Stephens JP,Relyea RA,Berven KA,Tiegs SD

更新日期：2015-11-01 00:00:00

abstract：:We examined the relationship between size variability and the distribution of functional gender in stands of the monoecious, wind-pollinated annual Ambrosia artemisiifolia. Populations of 60 individuals were grown in the greenhouse at a density of 372 m-2 and at two nutrient levels. Among the surviving plants, after s...

journal_title：Oecologia

authors： Ackerly DD,Jasieński M

更新日期：1990-04-01 00:00:00

abstract：:The partitioning of energy in three species of nematode, Paroigolaimella bernensis, Diplogasteritus nudicapitatus and Rhabditis curvicaudata, from a polysaprobic environment is considered. Temperature was shown to have a profound impact on the rate at which these organisms obtained food resources and on the partitioni...

journal_title：Oecologia

authors： Woombs M,Laybourn-Parry J

更新日期：1985-01-01 00:00:00

abstract：:Genotypes of the annual legume Amphicarpaea bracteata vary in their degree of specialization toward different nitrogen-fixing bacteria. Plants of lineages "Ib" and "II" are specialized for mutualism with a limited group of bacterial genotypes. Lineage "Ia" plants are symbiotic generalists, interacting with all bacteri...

journal_title：Oecologia

authors： Wilkinson HH,Parker MA

更新日期：1996-10-01 00:00:00

abstract：:Otolith microchemistry studies indicate that growth-phase (yellow stage) anguillid eels commonly shift at irregular intervals between fresh and saline waters, but this technique has not detected regular seasonal migrations across salinity zones. We tested the ability of otolith microchemistry and stable isotope analys...

journal_title：Oecologia

authors： Clément M,Chiasson AG,Veinott G,Cairns DK

更新日期：2014-08-01 00:00:00

abstract：:Our understanding of the response of vascular, terrestrial plants to nitrogen (N) addition is advanced and provides the foundation for modern agriculture. In comparison, information on responses of marine macroalgae to increased nitrogen is far less developed. We investigated how in situ pulses of nitrate (NO3 (-)) af...

journal_title：Oecologia

authors： Stephens TA,Hepburn CD

更新日期：2016-09-01 00:00:00

abstract：:Prey intake and selection were related to within-shoal position for Atlantic cod (Gadus morhua) engaged in annual migration across the Newfoundland shelf in the northwest Atlantic. Comparisons made among fish occupying five regions from the front to rear of a large (>10 km across) migrating shoal indicated that leadin...

journal_title：Oecologia

authors： DeBlois EM,Rose GA

更新日期：1996-10-01 00:00:00

abstract：:Hybridization has been proposed as a mechanism by which exotic plants can increase their invasiveness. By generating novel recombinants, hybridization may result in phenotypes that are better adapted to the new environment than their parental species. We experimentally assessed the resistance of five exotic Fallopia t...

journal_title：Oecologia

authors： Krebs C,Gerber E,Matthies D,Schaffner U

更新日期：2011-12-01 00:00:00

abstract：:Nitrogen (N2) fixation was estimated along an aridity gradient in Namibia from the natural abundance of 15N (δ15N value) in 11 woody species of the Mimosacease which were compared with the δ15N values in 11 woody non-Mimosaceae. Averaging all species and habitats the calculated contribution of N2 fixation (N f ) to le...

journal_title：Oecologia

authors： Schulze ED,Gebauer G,Ziegler H,Lange OL

更新日期：1991-11-01 00:00:00

abstract：:In the stream-dwelling isopod Lirceus fontinalis, males and females engage in a precopulatory mate guarding phase prior to mating. We examined the energetic costs of mate guarding behavior in males by separately assaying glycogen and lipid content at different time increments following mating. We found that males that...

journal_title：Oecologia

authors： Sparkes TC,Keogh DP,Pary RA

更新日期：1996-04-01 00:00:00

abstract：:The effect of forest size on avian diversity was studied in oak forest patches in rural New Jersey. Number of bird species continued to increase significantly in old oak woods up through 40 ha. This was due to the progressive addition of carnivorous species with increasing minimum forest size requirements. One large w...

journal_title：Oecologia

authors： Forman RT,Galli AE,Leck CF

更新日期：1976-03-01 00:00:00

abstract：:Allelochemicals defend plants against herbivore and pathogen attack aboveground and belowground. Whether such plant defenses incur ecological costs by reducing benefits from plant mutualistic symbionts is largely unknown. We explored a potential trade-off between inherent plant chemical defense and belowground mutuali...

journal_title：Oecologia

authors： De Deyn GB,Biere A,van der Putten WH,Wagenaar R,Klironomos JN

更新日期：2009-06-01 00:00:00

abstract：:Species-habitat relationships are an important aspect of fish life history, particularly in early ontogeny. To address the lack of information on the microhabitat use/requirements of European coarse fishes, particularly 0-group fishes in riverine systems, an empirical model was generated from data collected in the Riv...

journal_title：Oecologia

authors： Copp GH

更新日期：1992-09-01 00:00:00

abstract：:In both single- and mixed-species social groups, certain participants are known to play important roles in providing benefits. Identifying these participants is critical for understanding group dynamics, but is often difficult with large roving social groups in the wild. Here, we develop a new approach to characterize...

journal_title：Oecologia

authors： Sridhar H,Shanker K

更新日期：2014-11-01 00:00:00