food web

a b s t r a c t The relationship between food web dynamics and hydrological connectivity in rivers should be strongly influenced by annual flood pulses that affect primary production dynamics and movement of organic matter and consumer taxa. We sampled basal production sources and fishes from

Greenland whales and walruses in the Svalbard food web before and after exploitation*

Descriptions of food-web relationships first appeared more than a cen-tury ago, and the quantitative analysis of the network structure of food webs dates back several decades. Recent improvements in food-web data collection and analysis methods, coupled with a resurgence of interdis

Finding patterns in large, real networks

In search of operational trophospecies in a tropical aquatic

Abstract not found

bioaccumulation and trophic transfer in the terrestrial

We review theoretical approaches to the understanding of food webs. After an overview of the available food web data, we discuss three different classes of models. The first class comprise static models, which assign links between species according to some simple rule. The second class

of constituents and for the changing of interaction strengths depending on the states of the local constituents. In the case of food webs, where the constituents are species and the interactions are predator-prey relationships, this involves going beyond conventional population dynamics to include mechanisms