نتایج جستجو برای: phenology

تعداد نتایج: 6635  

Journal: :The New phytologist 2008
Richard S Dodd Daniel Hüberli Wasima Mayer Tamar Y Harnik Zara Afzal-Rafli Matteo Garbelotto

Variations in synchronicity between colonization rate by the pathogen and host phenology may account for unexplained spatial distribution of canker disease. The hypothesis that synchronous pathogenicity and host development are necessary for incidence of sudden oak death disease was tested by correlating seasonal variations in host cambial phenology and response to inoculation with Phytophthora...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2009
Heidi Steltzer Chris Landry Thomas H Painter Justin Anderson Edward Ayres

Dust deposition to mountain snow cover, which has increased since the late 19(th) century, accelerates the rate of snowmelt by increasing the solar radiation absorbed by the snowpack. Snowmelt occurs earlier, but is decoupled from seasonal warming. Climate warming advances the timing of snowmelt and early season phenological events (e.g., the onset of greening and flowering); however, earlier s...

2018
Petros T. Damos Sibylle C. Stoeckli Alexandros Rigas

Citation: Damos PT, Stoeckli SC and Rigas A (2018) Editorial: Current Trends of Insect Physiology and Population Dynamics: Modeling Insect Phenology, Demography, and Circadian Rhythms in Variable Environments. Front. Physiol. 9:336. doi: 10.3389/fphys.2018.00336 Editorial: Current Trends of Insect Physiology and Population Dynamics: Modeling Insect Phenology, Demography, and Circadian Rhythms i...

Journal: :Ecological applications : a publication of the Ecological Society of America 2014
Jeffrey M Diez Inés Ibáñez John A Silander Richard Primack Hiroyoshi Higuchi Hiromi Kobori Ananda Sen Timothy Y James

Phenological events, such as the timing of flowering or insect emergence, are influenced by a complex combination of climatic and non-climatic factors. Although temperature is generally considered most important, other weather events such as frosts and precipitation events can also influence many species' phenology. Non-climatic variables such as photoperiod and site-specific habitat characteri...

2014
Anne Charmantier Phillip Gienapp

There are multiple observations around the globe showing that in many avian species, both the timing of migration and breeding have advanced, due to warmer springs. Here, we review the literature to disentangle the actions of evolutionary changes in response to selection induced by climate change versus changes due to individual plasticity, that is, the capacity of an individual to adjust its p...

Journal: :The Journal of animal ecology 2017
Jelmer M Samplonius Christiaan Both

Predicting habitat quality is a major challenge for animals selecting a breeding patch, because it affects reproductive success. Breeding site selection may be based on previous experience, or on social information from the density and success of competitors with an earlier phenology. Variation in animal breeding phenology is often correlated with variation in habitat quality. Generally, animal...

Journal: :Remote Sensing 2017
Zhoutao Zheng Wenquan Zhu

Vegetation phenology is considered a sensitive indicator of climate change, which controls carbon, nitrogen, and water cycles within terrestrial ecosystems. The Moderate Resolution Imaging Spectroradiometer (MODIS) Normalized Difference Vegetation Index (NDVI) is an important moderate resolution remote sensing data for monitoring vegetation phenology. However, Terra MODIS Collection 5 (C5) vege...

2017
Sha Zhou Yao Zhang Philippe Ciais Xiangming Xiao Yiqi Luo Kelly K. Caylor Yuefei Huang Guangqian Wang

Annual gross primary productivity (GPP) varies considerably due to climate-induced changes in plant phenology and physiology. However, the relative importance of plant phenology and physiology on annual GPP variation is not clear. In this study, a Statistical Model of Integrated Phenology and Physiology (SMIPP) was used to evaluate the relative contributions of maximum daily GPP (GPPmax) and th...

2012
Amy L. Parachnowitsch Christina M. Caruso Stuart A. Campbell André Kessler

Flowering phenology is an important determinant of a plant's reproductive success. Both assortative mating and niche construction can result in the evolution of correlations between phenology and other reproductive, functional, and life history traits. Correlations between phenology and herbivore defence traits are particularly likely because the timing of flowering can allow a plant to escape ...

2017
Katharina C. Wollenberg Raphael D. Isokpehi Noah E. Douglas Seenith Sivasundaram Brianna Johnson Kiara Wootson Ayana McGill

Ebola virus disease outbreaks in mammals (including humans and great apes) start with sporadic host switches from unknown reservoir species. The factors leading to such spillover events are not clearly understood. Filoviridae have a wide range of natural hosts and are unstable once outside hosts. Spillover events, which involve the physical transfer of viral particles across species, could ther...

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