Historical Aspects of ECOLOGY
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Transcript of Historical Aspects of ECOLOGY
SC 225Tue 7:30am – 10:30am
Historical Aspects of
ECOLOGY
Dr. Orbella Laureano
Let’s us Pray
Motivation
Video Presentation
Joelbyn Datu
TheophrastusHe was described the interrelation
between organisms and
their environment .1866 - Ernst Haeckel a German
Zoologist coined the word “ OECOLOGIE” for this relationship.
Early man as HunterThey knew how to make use of
his environment
They developed a detailed knowledge of where to find food and water since his very survival
depended on this.
Due to nomadic ways they would stay in one place and use up the
food and water that could be found there as soon as he
exhausted these resources they would move on to another place
and repeat the same cycle.
Man Changed from nomad to settle
They learned how to weave make pots and manufacture tools.
Man learned to domesticate plants and animals
They learned to shape his environment to fit his need as a result of this learn to cut down
trees and burned forests and this in turn caused soil erosion and
rampant flooding
The Rise of Agriculture He was able to cultivate larger
areas Man planted the same crops
years after year. They know how to fertile the
soil by treating the land with organic matter such as chicken
or cow dung
In the PhilippinesNumerous areas of virgin forest
and land have been denuded under the guise of economic and
cultural development.Infrastructure which aims to enhance the economic and
cultural life of the people have been constructed at the expense
of the environment.
Save Paper to Save Forests
Sheree Ann Marie Casin
Ecology Prior to the Seventeenth Century
Ecological knowledge began with the development of biology
and medicine as scientific disciplines
AristotleThe father of
Biology Classified animals according to their habitats and habits
theophrastus
Systematically studied plant types
and forms in relations to
altitude, moisture and light exposure.
Hippocrates
The father of medicine
emphasized environmental
factors in his “On Airs, water and
Places.
Illustrates the dependence of seed Germination on the soil shows that the
early Hebrews had ecological awareness.
Parable of the Sower
12th Century
Albertus Magnus
A naturalist devoted his work
on plants and their environment
Late 16th Sentury
Robert boyle
Known as the first Modern chemist
related chemistry to vital processes
in plant and animals of low air pressure on various
animal
17th Century -
19th Century
Certain fields of study contributed to the development of ecology as an independent
discipline in the twentieth century.
Precelma Galve
ECOLOGY its Relevance
and Relationships
with other fields
Why do we need to study
Ecology
Studying ecology makes us aware of the problems.
It gives us information about the effects of fertilizers and pesticides on our health and
the ecosystems effects of detergent on bodies of water as well as the dangers and
risks of exposure to radiation.
Make us understand the Greenhouse effect, ozone
depletion and Red tide poisoning.
it impresses on us the impact the growing population
has on our natural resources.
Margielyn Aniñon
Laws of ecology
Application to humans society
Everything is connected to everything
else.
The food chain and food web have always been used to illustrate the
relationship of the different
living components of the ecosystem.
There is strength and ability in the
unity of differences
The ecosystem
has different components, and each is needed for
the ecosystem to
function
Consumption must not exceed
production
Any ecosystem has the capacity to sustain life. This is called its carrying capacity. For an ecosystem to exist, ability to provide for the necessities of life (Carrying capacity) should not be exceed by consumption. In this way homeostasis or balance of future is maintained.
Leslie Padua
Concept of Natural Resources
PHYSICAL ELMENTS OF THE EARTH Weather and Climate Landforms Oceans
Natural Resources
Natural Resources are the material things of economics value such as
water, soil, forests, fisheries, mineral, climate,
topography, geographic locations
NORTON GINSBURG
According to Norton Ginsburg include all the freely given
material phenomena of nature within the zone of man’s
activities plus the additional non- material quality of
situation or location.
Landis synonymous with natural
resources.Is a collection of several items. Its include location size, shape and everything found below on the
surface and above it.
Natural Resources
embrace the whole physical of base in geographic study.