Notesale: Turn your study into money

Document Preview

Extracts from the notes are below, to see the PDF you'll receive please use the links above

---

Introduction to ecology
Part I: Characteristics of an
ecosystem

Professor: Bárbara López

Table of contents
1
...
-Components of an ecosystem
3
...
-Types of ecosystems
5
...
-Definition of the levels of biological organisation

Origin of the word ¨Ecology¨
The term Ecology was introduced in 1869 by the
German naturalist Ernst Haeckel
From Greek Oikos = house
logos = study

The ecosystem concept
The term ecosystem was first established in
1930 by the British botanist Roy Clapham
...

Arthur Tansley proposed the term ecosystem in a
publication in the journal de Ecology
...

• In this interaction there is
a flow of energy and a
recycling of materials
...

Example: animals, birds, plants, fungi and insects
...


Example: Soil, sunlight, humidity, lakes, seas,
rivers, minerals, temperature, air

Definición
dehabitat
Habitatand
y Nicho
ecológico
Definition of
ecological
niche
Habitat refers to the specific area of the physical
environment in which a living being lives
...


Example of ecological niche and
habitat
Mallard duck (Mareca sibilatrix)
Location: South america
Habitat: lakes, rivers, wetlands
Ecological niche: It is an
omnívoro predador that feeds on
aquatic plants, insects, algae,
crustaceans and fish
...
- Terrestial
ecosystems: They are all
those where biotic
components develop on
the earth´s surface, such
as soil or subsoil
...
- Aquatic ecosystems:
They are all those that
develop in water such as
oceans, rivers, lakes,
lagoons
...
- Mixed ecosystems:
They are those that
develop in systems that
are a mixture of land-water
or water-air
...


4
...
A greenhouse
is a clear example of this
...
-Organism: It is an individual living being and
the set of organs of which it is composed
...
-Population: A group of individuals belonging
to the same species that can reproduce with
each other and coexist in space and time
...
- Community: It is the set of populations
living, relating and interacting in the same
geographical area
...


Biome: a group of individuals belonging to the
same species that can reproduce with each
other and coexist in space and time
...
It is made up of the
lithosphere, hydrosphere and part of the
atmosphere

---