نتایج جستجو برای: ecologists
تعداد نتایج: 3181 فیلتر نتایج به سال:
ing ecological complexity by identifying key biological processes, and the factors that affect them, is important when solving applied ecological problems (e.g. Hilborn & Mangel 1997; McPherson & DeStefano 2003; Clark 2007), as the effectiveness of a management action is likely to depend upon the processes that dominate a system (Walters 1986). Hence, it is important that ecologists should be a...
How plants respond to attack by the range of herbivores and pathogens that confront them in the field is the subject of considerable research by both molecular biologists and ecologists. However, in spite of the shared focus of these two bodies of research, there has been little integration between them. We consider the scope for such integration, and how greater dialogue between molecular biol...
With the arrival of GPS, satellite remote sensing, and personal computers, the last two decades have witnessed rapid advances in the field of spatially-explicit marine ecological modeling. But with this innovation has come complexity. To keep up, ecologists must master multiple specialized software packages, such as ArcGIS for display and manipulation of geospatial data, R for statistical analy...
Behavioral ecologists have recently begun using multilevel modeling for the analysis of social behavior. We present a multilevel modeling formulation of the Social Relations Model that is well suited for the analysis of dyadic network data. This model, which we adapt for count data and small datasets, can be fitted using standard multilevel modeling software packages. We illustrate this model w...
Anthropogenic landscapes provide opportunities for ecologists to deliberately and intentionally design urban food webs. Ecologists working as full, collaborative partners with designers can construct functional food webs for urban environments that benefit society. As a first step, ecologists can learn to partner with designers by translating ecological knowledge at scales relevant to design st...
Ecological communities around the world are under threat while a consensus theory of community structure remains elusive. In the last decade ecologists have struggled with two seemingly opposing theories: niche-based theory that explains diversity with species’ differences and the neutral theory of biodiversity that claims that much of the diversity we observe can be explained without explicitl...
During the past decade, as the issue of plant invasion gained recognition in the public domain, both ecologists and weed scientists voluntarily or by mandate moved to provide their expertise to the management of invasive plants on public lands. Diverse views of nature carried to the table by ecologists and weed scientists have resulted in different priorities and opinions on management strategi...
Matrix projection models are among the most widely used tools in plant ecology. However, the way in which plant ecologists use and interpret these models differs from the way in which they are presented in the broader academic literature. In contrast to calls from earlier reviews, most studies of plant populations are based on < 5 matrices and present simple metrics such as deterministic popula...
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