2 documents found, page 1 of 1
Spatiotemporal Variation in Pollination Deficits in an Insect-Pollinated Dioeci...
Castro, Helena Isabel Ferreira de; Siopa, Catarina Constantino; Casais, Vinícius; Castro, Mariana; Loureiro, João; Gaspar, HugoInadequate quantity and quality of pollen reaching the stigmas decreases the sexual reproductive output of plants, compromising yield. Still, the current extent of pollen limitation affecting yield (i.e., pollination deficits) is poorly quantified. This study is aimed at quantifying pollination deficits in kiwifruit orchards, a dioecious plant with a fruit caliber and market value largely dependent on pollinati...
Effects of land use change on plant composition and ecosystem functioning in an...
Castro, Helena Isabel Ferreira deTese de doutoramento em Biologia (Ecologia) apresentada à Fac. de Ciências e Tecnoloiga da Univ. de Coimbra; As a consequence of the industrial and socio-demographic changes of the last decades, the characteristic land use practices of extensive agro-pastoral systems in the region of Alentejo, Southern Portugal are being gradually abandoned and the consequences are still little understood. Land use changes are ...