Title of article :
Diplochory: are two seed dispersers better than one?
Author/Authors :
Stephen B. Vander Wall، نويسنده , , William S. Longland، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2004
Pages :
7
From page :
155
To page :
161
Abstract :
Diplochory is seed dispersal by a sequence of two or more steps or phases, each involving a different dispersal agent. Here, we describe five forms of diplochory and derive general characteristics of each phase of seed dispersal. The first and second phases of diplochory offer different benefits to plants. Phase one dispersal often results in escape from density-dependent seed and seedling mortality near the parent plant and can result in the colonization of habitat patches far from the parent. Phase two dispersal often moves seeds to discrete and predictable microsites, where the probability of seedling establishment is disproportionately high (i.e. directed dispersal). Diplochory appears to have evolved because combining two means of seed dispersal can increase the benefits of seed dispersal whilst reducing the likelihood of seed mortality.
Journal title :
Trends in Ecology & Evolution
Serial Year :
2004
Journal title :
Trends in Ecology & Evolution
Record number :
771527
Link To Document :
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