ECOSYSTEM STRUCTURE Flashcards
british ecologist that introduced ECOSYSTEM
Sir Arthur
Tansley, 1935
-referring to the whole community of
organisms and their environment taken as a single
functional unit
ecosystem
-refers to the organizational
structure of the system
emphasizing on the
organisms species
composition and patterns of
distribution in time and
space.
ECOSYSTEM STRUCTURE
Includes producers, consumers,
decomposers
biotic
includes climatic and edaphic
factors
abiotic
have trillions and more of different
components operating at many spatial and temporal
scales.
-lithosphere, hydrosphere, atmosphere and
biosphere
-a network of interdependent components and
processes, with materials and energy flowing from one
component of the system to another.
System
categories of system
open system and close system
- receives inputs from their surroundings and produce outputs that leaves the system
open system
exchanges no energy nor matter with its surroundings
close system