PPT-Ecology M. Saadatian Ecological valance

1 Ecological valance Ecological balance is an balance within a community where the organisms remain stable and the changes are slow and gradual A ecological balance must be retained in order for species to thrive comfortably in their habitat Removal of things like plants animals trees and other natural items can shift the balance This shifting can lead to a loss of something The loss may be something like lost vegetation or animals or an increase in pollution . Some Definitions. An . ecosystem. – all the living things in an area plus the physical or abiotic factors.. A . habitat . – the place or environment in which specific organisms live.. A . species. The scientific study of the distribution and abundance of organisms and the interactions that determine distribution and abundance. Begon. , Harper, Townsend, 2006, Ecology, Blackwell. Lecture outline. Gotelli. Community Ecologist, Writer, Programmer, Musician. BIOL 7083 Symposium . Warwick Allen. http://www.uvm.edu/~ngotelli/homepage.html. “I . don’t do my work in order to persuade people to conserve pitcher plants. As far as my work goes, I am ultimately a hedonist. The real reason I do my work is that I love it, and it’s intellectually satisfying to me. Everything else follows . . Hua. Chen. (. 陈华. ). Department of Biology. University of Illinois at Springfield. Roadmap. Ecosystem degradation, ecological restoration, and restoration ecology . Reference and dynamic reference . Puettmann. Edm. und Hayes Professor in Silviculture . Alternatives. Moving “Beyond The Label” May Lead To Wider Applications Of Uneven-aged . Management (alternative . silviculture. ). Lindenmayer. of Pope Francis. An Inspiring Call. to Contemplation and Action. . BEECHWOOD, 20 October 2015. Donal Dorr. BACKGROUND. . “. It is good to be the Pope”. A Man with a Mission – to offer. Odum. Community Ecology from the System’s Perspective. Ben . Branoff. BIO 7083. 4/31/2012. Biography. Born, 1924: Chapel Hill, N.C.. Father: Howard W. . Odum. , sociologist. father "encouraged his sons to go into science and to develop new techniques to contribute to social progress. holism. reductionism. climax community. Organicism. teleology. deep ecology. Gaia theory . positive versus negative biotic interactions. pristine myth. Films often portray organisms and ecological interactions . Four ‘conditions of an imperilled environment’ Kirkpatrick Sale. Drawdown: the process by which the dominant species in an ecosystem uses up the surrounding resources faster than they can be replaced.. Water on Earth. Uneven Global Distribution of Fresh Water. Definitions by Wetzel (2001). see page 4. Limnology. Freshwater Ecology. Freshwater Biology. Theories of Ecology. Taken from . Dodds. (2009). II. The Tenets of Deep Ecology While I am aware that the term deep ecology was coined by the Norwegian philosopher Arne Naess, this article refers specifically to the American variant.2 Adherents of Geography. Resources. Phylogeny. Community. Redrawn from Fauth . et al. . (1996). Community. – collection of species that occur at the same place & time, circumscribed by natural (. e.g. ., serpentine soil), arbitrary, or artificial (. &. Ecological pyramids. 1. Food chain . &. Ecological pyramids. Important facts about food chains. In a food chain each organism obtains energy from the one at the level below.. Plants are called . 1. Ecological factor in . ecosystem. Ecological factors:. Climate factor (sunlight, . temprature,water,wind. . Edaphic. factors (Soil). (mineral nutrition, . acidity). Topography factors. (gravity, altitude, scope.