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 Darwinism & Ecology:

Making Reasonable Sense of the World.    

Mayr, pp.  73-84. - Hardin, pp. 53 - 69.

glassesTwo perspectives are needed, like binocular vision, one lens represents our past (evolution) and the other lens our present (ecology).

 

Your ecologyBateson's figure;

For example, what do you see here?

to comprehend nature. 

books
The Edge of the Sea, Rachel L. Carson
Design with Nature, Ian L. McHarg

The Diversity of Life, E. O. Wilson
   
rose
rosered
yellow species
red species


What where the components of Darwin's explanatory model?

Five facts:

1. super fecundity –numerous offspring– excessive fertility

a. Malthus' idea:

b. potential exponential increase in daughters

2. Observed steady state or stability of populations

3. Limitation of resources due to space & carrying capacity

4. Uniqueness of the individual (resemblances)

5. Inheritance of individual variation

These five facts are the basis of biological wealth or life's diversity.

Darwin and the Darwinian Revolution


Ecology as the study of unanticipated “side effects."

Aswan High Dam is a case study.

Aswan DamNile fields
The dam pictured here blocked the migration of fish and the renewal of sediment to the lower Nile River Valley so that the once fertile Nile Delta was starved for nutrients and fisheries declined.

What do we account for vs. what do we exclude?

accounting for environmental assets

First Law of Ecology   "connectedness"

The essential orientation of ecology is all-inclusive

“Take account of several factors at the same time

 (This is the direct opposite of limited and sequential analysis of one cause or causative factor at one time.)

mesocosm

Hardin criticizes “everything is connected to everything else” as not a numerate statement

and instead suggested that a better rule to apply is:

√ You can never do merely one thing.

So to any action there is an opposite reaction.
atom balls
balls
subatomic
balls
on Earth
as it is in Heaven

(58)