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Descripción
Mapa Mental por joshbankole, actualizado hace más de 1 año
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Creado por joshbankole
hace más de 10 años
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ESS TOPIC 2 - THE
ECOSYSTEM
- Biotic and Abiotic Components
- Biotic refers to the living
components within an ecosystem
(the community).
- Abiotic refers to the non-living factors of the
ecosystem (the environment). Ecosystems can be
divided into 3 types, and each ecosystem type has its
own specific abiotic factors
- Measuring Abiotic components
of an ecosystem
- Light can be measured using a light meter
- Use an electronic
thermometer with
probes so you can
measure in soil,
water and air.
- Wind can be measured by
observinf the effects of
wind on objects
- pH can be measured using
a pH meter or a datalogging
probe. Soil pH can be
measured using a soil-test
kit. Should be cleaned after
every use.
- Light can be measured using a light meter
- Freshwater (rivers,
lakes and wetlands):
turbidity, flow velocity
and pH
- Terrestrial (land based):
temperature, light intensity,
wind speed, particle size,
slope, soil moisture,
drainage, mineral content
- Marine (the sea,
estuaries, salt marshes
and mangroves): salinity,
pH, temperature,
dissolved oxygen, wave
action
- Measuring Abiotic components
of an ecosystem
- Biotic refers to the living
components within an ecosystem
(the community).
- Definitions
- Species: a group of organisms that can
interbreed and produce fertile offspring
- Population: a group of organisms of
the same species living in the same
area at the same time, which are
capable of interbreeding.
- Ecosystem(s): is a community of
interdependent organisms and the
physical environment that thet inhabit.
- Habitat: this refers to
the environment in
which a species
normally lives.
- Niche: an ecological niche is best be described as
where, when and how and organism lives. An organism's
niche depends not only on its habitat, but what it does.
- Community: a group of
populations living and
interacting with each
other in a common
habitat.
- Species: a group of organisms that can
interbreed and produce fertile offspring
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