The footprint of evolution in seed dispersal interactions
نویسندگان
چکیده
The evolutionary stability of fruit-eating birds is linked to their role in dispersing seeds
منابع مشابه
Endozoochorous seed dispersal of plant species in semi-steppe rangelands
During last two decades studies on endozoochorous seed dispersal indicated that a large numbers of plant seeds are potentially dispersed and suceefully germinated via animal dung. However, very little is known about the relative importance of endozoochory in germination success of plant species in semi-steppe rangelands. In this paper we examined dung germinating seed content, seed deposition p...
متن کاملWind dispersal capacity of pine seeds and the evolution of different seed dispersal modes in pines
Pine seed mass is isometrically related to samara shape among smaller seeded pines (< 165 mg), but not when larger seeds are included (putative bird-dispersed pines excluded). Among the largest pine seeds samara length declines with increases in seed mass. Consequently, disc-loading increases and dispersal capacity declines at an accelerating rate with increases in seed mass. The acceleration i...
متن کاملEndozoochorous seed dispersal of plant species in semi-steppe rangelands
During last two decades studies on endozoochorous seed dispersal indicated that a large numbers of plant seeds are potentially dispersed and suceefully germinated via animal dung. However, very little is known about the relative importance of endozoochory in germination success of plant species in semi-steppe rangelands. In this paper we examined dung germinating seed content, seed deposition p...
متن کاملSelection by a predispersal seed predator constrains the evolution of avian seed dispersal in pines
1. Previous studies have demonstrated that wind dispersal is an effective mode of seed dispersal for pines ( Pinus , Pinaceae) with seeds weighing <90 mg, but not for largerseeded ( ≥ 90 mg) pines. Consequently, most large-seeded pines rely on birds in the family Corvidae for seed dispersal, but some do not, and most of their seeds fall near the parent tree. Why seeds of these pines are not dis...
متن کاملSeed-dispersal interactions in fragmented landscapes - a metanetwork approach.
Mutualistic interactions repeatedly preserved across fragmented landscapes can scale-up to form a spatial metanetwork describing the distribution of interactions across patches. We explored the structure of a bird seed-dispersal (BSD) metanetwork in 16 Neotropical forest fragments to test whether a distinct subset of BSD-interactions may mediate landscape functional connectivity. The metanetwor...
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ژورنال
عنوان ژورنال: Science
سال: 2021
ISSN: ['2797-0744', '2797-1031']
DOI: https://doi.org/10.1126/science.abi8160