نتایج جستجو برای: pollinators

تعداد نتایج: 3395  

Journal: :Ecology letters 2009
Stein Joar Hegland Anders Nielsen Amparo Lázaro Anne-Line Bjerknes Ørjan Totland

Climate warming affects the phenology, local abundance and large-scale distribution of plants and pollinators. Despite this, there is still limited knowledge of how elevated temperatures affect plant-pollinator mutualisms and how changed availability of mutualistic partners influences the persistence of interacting species. Here we review the evidence of climate warming effects on plants and po...

2013
Rebekka Lundgren Amparo Lázaro Ørjan Totland

There is growing concern that current pollinator decline will affect the reproduction of plant species, potentially driving a decline in plant population densities. We experimentally tested whether a reduction in flower visitation caused a reduction in fertilization rate in several species, and whether any reduction in fecundity of species depends on their degree of reproductive dependence on p...

2014
Chiara Polce Michael P Garratt Mette Termansen Julian Ramirez-Villegas Andrew J Challinor Martin G Lappage Nigel D Boatman Andrew Crowe Ayenew Melese Endalew Simon G Potts Kate E Somerwill Jacobus C Biesmeijer

Understanding how climate change can affect crop-pollinator systems helps predict potential geographical mismatches between a crop and its pollinators, and therefore identify areas vulnerable to loss of pollination services. We examined the distribution of orchard species (apples, pears, plums and other top fruits) and their pollinators in Great Britain, for present and future climatic conditio...

2013
Ignasi Bartomeus Mia G. Park Jason Gibbs Bryan N. Danforth Alan N. Lakso Rachael Winfree

Ignasi Bartomeus,* Mia G. Park, Jason Gibbs, Bryan N. Danforth, Alan N. Lakso and Rachael Winfree Abstract Climate change has the potential to alter the phenological synchrony between interacting mutualists, such as plants and their pollinators. However, high levels of biodiversity might buffer the negative effects of species-specific phenological shifts and maintain synchrony at the community ...

Journal: :Current Biology 2010
Richard Benton

The Solomon's lily arum mimics the odours of yeast to attract drosophilid flies as unrewarded pollinators.

2008
Richard James Reynolds Bahram Momen David W. Inouye William F. Fagan

Title of Document: POLLINATOR SPECIALIZATION AND THE EVOLUTION OF POLLINATION SYNDROMES IN THE RELATED SILENE, S. CAROLINIANA, S. VIRGINICA, AND S. STELLATA Richard James Reynolds, Ph.D., 2008 Directed By: Associate Professor, Charles B. Fenster, Biology Associate Professor, Michele R. Dudash, Biology Pollination syndromes are the convergent expression of floral traits in unrelated species refl...

2017
Tereza Cristina Giannini Wilian França Costa Guaraci Duran Cordeiro Vera Lucia Imperatriz-Fonseca Antonio Mauro Saraiva Jacobus Biesmeijer Lucas Alejandro Garibaldi

Animal pollination can impact food security since many crops depend on pollinators to produce fruits and seeds. However, the effects of projected climate change on crop pollinators and therefore on crop production are still unclear, especially for wild pollinators and aggregate community responses. Using species distributional modeling, we assessed the effects of climate change on the geographi...

ژورنال: مرتع 2022
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In this study, pollination of 6 herbaceous astragalus species including three rare herbaceous vegetative forms (As. Caraganae, As. Heterophyllus and As. Holopsilus) and three common herbaceous vegetative forms (As. Angustiflorus, As. Curvirostris and As. Effusus) and 6 shrub astragalus species includes three rare shrub vegetative forms (As. Cephalanthus, As. Camphylanthus and As. Cemerinus) and...

Journal: :Psyche: A Journal of Entomology 2010

Journal: :South African Journal of Botany 2013

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