Pollination ecology

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  • The rain forest takes an immense breath and then exhales, once every four or five years, as a major global weather pattern plays out, usually heralded by El Nin˜o–Southern Oscillation. While this powerful natural cycle has occurred for many millennia, it is during the past decade that both the climate of Earth and the people living on it have had an increasing influence on the weather pattern itself, with many biological consequences. In Southeast Asia, as also in most of the Neotropics, El Nin˜o accompanies one of the most exuberant outpourings of nature’s diversity.

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  • 3 Neuroethology of Foraging Alive with color, a patch of flowers is also alive with the constant motion of bumblebees, honeybees, syrphid flies, and other pollinators. A bumblebee lands heavily on a flower, making other insects take flight. She turns, plunges her head into the corolla, and remains motionless.

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  • 13 Pollination, Seed Predation, and Seed Dispersal INSECTS AFFECT PLANT REPRODUCTION AND ASSOCIATED PROCESSES in a variety of ways. Direct and indirect effects of herbivores on plant production and allocation of resources to reproduction were described in Chapter 12.

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  • This chapter proceeds from an ecological framework, which recognizes that multiple aspects of an adolescent's life may affect their reproductive health experiences, including a teen's family environment, their individual attitudes and behaviors, and peer attitudes and behaviors. In addition, the characteristics of a teen's community, including school context, neighborhood environment, and broader policies may affect reproductive health behaviors.

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  • Honey bees (Apis mellifera L.) are the main pollinating agents for numerous plants and fruit trees and, hence, play a key role in agriculture and more generally in the maintenance of ecological biodiversity. Although these social insects are not the targets of all the different agrochemical treatments used in crop protection, they are widely affected by pesticides.

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