Ecosytem goods and services of
extensive fishponds
Éva Kerepeczki
Objectives
• The original presentiation was gives for
aquaculture producers, lecturers and students
to introduce the definition „ecosystem goods
and services”
• To initiate joint thinking on survey and
maintanance of EGS of extensive fishponds
Environment: the
complexity of
physical and
biological factors
affecting people
Nature: the
whole biosphere
Ecosystem:
(biogeocenosis) the
together living
communities with
their physical
environment
Framework of integrated assessment and valuation of
ecosystem fuctions, goods and services
(de Groot et al, 2002)
Regulation
essential ecological processes and life support system
Functions
Ecosystem processes and
components
Goods and services
Gas regulation
Role of ecosystem in biogeochemical cycles
(CO2/O2 balance, ozon
layer)
Maintenance of air quality
Climate regulation
Influence of land cover and Microclimate
biol. Mediated processes
on climate
Water supply
Filtering retention and
storage of fresh water
Provision of water for
consumptive use
(irrigation, industry)
Regulation
essential ecological processes and life support system
Functions
Ecosystem processes and
components
Goods and services
Nutrient regulation
Storage and recycling of
nutrients
Maintenance of healthy
sediment and productive
pond ecosystems
Waste treatment
Removal and breakdown of Microclimate
xenic nutrients and
compounds
Water supply
Filtering retention and
storage of fresh water
Provision of water for
consumptive use
(irrigation, industry)
Regulation
essential ecological processes and life support system
Functions
Ecosystem processes and
components
Goods and services
Nutrient regulation
Storage and recycling of
nutrients
Maintenance of healthy
sediment and productive
pond ecosystems
Waste treatment
Removal and breakdown of Sedimentation of
xenic nutrients and
pollutants, decomposition
compounds
and uptake (53% of TN,
74% of TP was retained in
ex. fishponds)
Water quality
improvement
Biological control
Population control through
trophic-dynamic
interactions
Control of parasites
Habitat
refuge and reproduction habitat of wild species
(conversation of biodiversity)
Functions
Ecosystem processes and
components
Goods and services
Refugium
Suitable living space for
wild species
Maintenance of
biodiversity
Maintenance of stocked
fish
Nursery function
Suitable reproduction
habitat
Hunting, gathering of fish,
game, fruits
Production functions
provision of natural resources
Functions
Ecosystem processes and
components
Goods and services
Food
Conversion of solar energy
into edible plants and
animals
Small-scale subsistens
farming and aquaculture
Row materials
Biomass for human
construction and other
uses
Building and
manufacturing (reed,
wood)
Bioenergy
Biopolymers
Production function
Functions
Ecosystem processes and
components
Goods and services
Genetic resources
Genetic material and
evolutions in wild plants
and animals
Improve resistance and
production possibilities
Medical resources
Variety in biochemical
subtances and other
medicinal uses of natural
biota
Drogs and pharmaceuticals
Test organisms
Functional healthy food
Ornamental recources
Variety of biota with
ornamental use
Ornamental fish,
decoration etc.
Information function
(maintenance of human health through cognitive
development, spiritual enrichment, recreation)
Functions
Ecosystem processes and
components
Goods and services
Aesthetic information
Attractive landscape
features
Enjoyment of scenery
Recreation
Variety of landscape with
recreational use
Ecotourism, outdoor sport,
hunting, angling
Cultural and artistic
information
Natural features with
cultural and artistic value
Use of fish and pond
motive in books, films,
paintings, folklore, etc.
Science and education
Variety in nature with
scientific and educational
value
Object of scientific
research, education
Spiritual and historic
information
Variety of nat. features
with spiritual and historic
value
Heritage value of pondtype ecosystem, fisheries
tradition
Valuation of ecosystem goods and
services
Identification,
desciption
Indicator
selection
Assessment
Elaboration
of
technology
for
maintenance
of EGS
Valorisation
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