'Emigration rate' diaporamas de présentation

From individuals to populations

From individuals to populations. The basic entities of ecological research. Bees, ants, and other insect societies form superorganisms that behave as an ecological unit. Single information coding strand of DNA. Single celled Bacteria. Clonal organisms might have extreme longivity.

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The spatial dimension of population ecology

The spatial dimension of population ecology. Case study I The local scale: necrophagous flies and their parasitoids. Arion ater. Basalys parva. Megaselia sp. Limosina ?sylvatica. Aspilota sp. Kleidotoma psiloides. The spatial distribution of individuals. Photo Polystyrol.

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Challenge and response in the East -West migration , in times of crisis

Challenge and response in the East -West migration , in times of crisis. Dumitru Sandu University of Bucharest. Slides for intervention in the D ebate on East-West migration , Dutch Scientific Council for Government Policy/ Hollands Spoor , Hague, October 10, 2013.

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Populations

Populations. What is a population?. a group of actively interacting and interbreeding individuals in space and time. populations are characterized by:. -density, -distribution in space, -age structure, -sex ratio, -birth rate, -death rate, -emigration rate,

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Population Changes

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Human Geography

Human Geography. Agenda. Fun/Random geography fact of the day Introduction activity Human geography graphic organizer Power Point Presentation Worksheet Wrap up. Fun fact. There is now an ATM at McMurdo Station in Antarctica, which has a winter population of 200 people.

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