نتایج جستجو برای: abiotic and biotic

تعداد نتایج: 16829150  

Journal: :genetics in the 3rd millennium 0
mahya bahmani reza maali-amiri

plants face many biotic and abiotic stresses at the same time during their growth under field conditions. plants responses toward combined stresses are often more complex than their responses to one type of stress in a way that the results of these responses are called as cross tolerance. this mixture of stresses activates specific models of gene expression that causes special signaling network...

Journal: :Geology, Ecology, and Landscapes 2018

2013
Alexandre Mestre Josep A Aguilar-Alberola David Baldry Husamettin Balkis Adam Ellis Jose A Gil-Delgado Karsten Grabow Göran Klobučar Antonín Kouba Ivana Maguire Andreas Martens Ayşegül Mülayim Juan Rueda Burkhard Scharf Menno Soes Juan S Monrós Francesc Mesquita-Joanes

In invasion processes, both abiotic and biotic factors are considered essential, but the latter are usually disregarded when modeling the potential spread of exotic species. In the framework of set theory, interactions between biotic (B), abiotic (A), and movement-related (M) factors in the geographical space can be hypothesized with BAM diagrams and tested using ecological niche models (ENMs) ...

2017
Valeria Trivellone Stephanie Bougeard Simone Giavi Patrik Krebs Diego Balseiro Stephane Dray Marco Moretti

Species assemblages are the results of various processes, including dispersion and habitat filtering. Disentangling the effects of these different processes is challenging for statistical analysis, especially when biotic interactions should be considered. In this study, we used plants (producers) and leafhoppers (phytophagous) as model organisms, and we investigated the relative importance of a...

2008
Gaston E. Small Catherine M. Pringle Frank J. Triska John H. Duff Alan P. Jackman Marcelo Ardón

Understanding the capacity of stream ecosystems to retain nutrients through physical-chemical processes and biotic assimilation has been a central goal of stream ecologists for decades. Currently, most of our understanding of nutrient saturation is based on short-term (<1 day) nutrient addition experiments, while predicting total stream ecosystem response to long-term anthropogenic nutrient loa...

2016
Kate S. Boersma Avery Nickerson Clinton D. Francis Adam M. Siepielski

Climate change is expected to increase climate variability and the occurrence of extreme climatic events, with potentially devastating effects on aquatic ecosystems. However, little is known about the role of climate extremes in structuring aquatic communities or the interplay between climate and local abiotic and biotic factors. Here, we examine the relative influence of climate and local abio...

2015
Prachi Pandey Jitender Singh V. Mohan Murali Achary Mallireddy K. Reddy

The imposition of environmental stresses on plants brings about disturbance in their metabolism thereby negatively affecting their growth and development and leading to reduction in the productivity. One of the manifestations of different abiotic and biotic stress conditions in plants is the enhanced production of reactive oxygen species (ROS) which can be hazardous to cells. Therefore, in orde...

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