منابع مشابه
Plant Virus Biodiversity and Ecology
T he International Committee for the Taxonomy of Viruses recognized a global total of about 2,000 species of viruses as of 2005 [1]. However, data on viruses that infect terrestrial organisms, including plants, are sparse, and recent sequencing of samples from marine environments for viruses suggests that 2,000 is a gross underestimate of the total number of viral species on earth [2]. In addit...
متن کاملPlant Virus Ecology
Viruses have generally been studied either as disease-causing infectious agents that have a negative impact on the host (most eukaryote-infecting viruses), or as tools for molecular biology (especially bacteria-infecting viruses, or phage). Virus ecology looks at the more complex issues of virus-host-environment interactions. For plant viruses this includes studies of plant virus biodiversity, ...
متن کاملPlant ecology. Anthropogenic environmental changes affect ecosystem stability via biodiversity.
Human-driven environmental changes may simultaneously affect the biodiversity, productivity, and stability of Earth's ecosystems, but there is no consensus on the causal relationships linking these variables. Data from 12 multiyear experiments that manipulate important anthropogenic drivers, including plant diversity, nitrogen, carbon dioxide, fire, herbivory, and water, show that each driver i...
متن کاملBiodiversity Conservation through Landscape Ecology
Viet Nam’s landscape is constantly changing as land use changes. Sometimes the resources base benefits where forests are protected and allowed to regenerate naturally, bare land is reforested, or where swidden land is converted to more intensive agriculture. Sometimes resources are lost where forests are exploited for timber, cleared for agricultural or grazing, or burnt by spreading wildfires.
متن کاملEcology and evolution of mammalian biodiversity.
Mammals have incredible biological diversity, showing extreme flexibility in eco-morphology, physiology, life history and behaviour across their evolutionary history. Undoubtedly, mammals play an important role in ecosystems by providing essential services such as regulating insect populations, seed dispersal and pollination and act as indicators of general ecosystem health. However, the macroe...
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ژورنال
عنوان ژورنال: PLoS Biology
سال: 2006
ISSN: 1545-7885
DOI: 10.1371/journal.pbio.0040080