System approach to agroecology: research and educational aspects

new site

This site is no longer updated!
The new website of the magazine is located at https://visnyk.lnup.edu.ua/

 

Visnyk LNAU: Agronomy 2019 №23: 34-40

System approach to agroecology: research and educational aspects

Snitynskyi V., Doctor of Biological Sciences
ORCID ID: 0000-0001-9633-1004
Hnativ P., Doctor of Biological Sciences
ORCID ID: 0000-0003-2519-3235
Zynyuk O., Candidate of Technical Sciences
ORCID ID: 0000-0001-7486-9583
Korinets' Yu., Candidate of Biological Sciences
ORCID ID: 0000-0001-8920-3186
DatskoT., Candidate of Agricultural Sciences
ORCID ID: 0000-0002-2957-1822
Lviv National Agrarian University

https://doi.org/10.31734/agronomy2019.01.034

Annotation

A new concept of autotrophic agroecosystems and agroecosystemsemology as a self-sufficient science with the object of research of agrarian ecosystems, the subject – structure, functions, methods of optimization, genesis and evolution are presented. The following is a list of the main tasks of agroecosystems. A classification has been made and the hierarchy of ecosystems in the agro-sphere is shown. Under ecopotential, we mean the aggregate of material and energy resources and the properties of native ecosystems, which provide its parameters (energy, organizational, biogeochemical, water transfer, formation, environmental). Secondary ecopotential of ecosystems is a collection of its material and energy resources and properties formed under the influence of economic interactions, in which its current structural and functional parameters and useful functions are formed.

On the basis of the classical system analysis in ecology, an algorithm for a special system analysis of agroecosystems of a biogeocoenous level was developed, as an example for the formation of algorithms for other hierarchical levels.

The agrarian ecosystem analysis algorithm includes up to eight stages. It all depends on the complexity and hierarchical status of the object of analysis. The first stage identifies the functional core, the second determines the basic elements of the system. In the third stage, the researcher recognizes the main ecological and human factors of the system's existence. The fourth stage explores the functioning of the ecosystem, the fifth specifies the optimal operating conditions, the sixth stage determines the ways of further optimization. The seventh stage establishes active levers of positive impact on the ecosystem. At the seventh stage, the analyst creates an agroecosystem model for its improvement.

Іs substantiated the relevance of experimental agroecology.

Key words

native ecosystems, agrarian ecosystems, agroecosystemology, system analysis, experimental agroecology

Full text

pdf

Link

  1. Cunningham W. P., Cunningham M. A., Saigo B. W. Environmental science: a global concern. Boston-Toronto: Wm. C. Brown Publishers, 2005. 600 p.
  2. Enger E. D., Smith B. F. Environmental science: a stady of interrelationships. Boston-Toronto: Wm. C. Brown Publishers, 2004. 477 p.
  3. Hnativ P. S., Khirivskyi P. R. Theory of systems and system analysis in ecology. Lviv: Kamula, 2010. 204 p.
  4. Hnativ P. S., Khirivskyi P. R., Zinyuk O. D. et al. Natural resources of Ukraine. Lviv: Kamula, 2012. 216 p.
  5. Hnativ P. S., Snitynskyi V. V., Khirivskyi P. R. System approach in ecology and environmental protection: relevance of knowledge and practical skills. Science and methodology. Kyiv: Agrarian Education, 2011. № 23, Vol. 23. P. 81–86.
  6. Likhоchvor V. V., Petrychenko V. F., Ivashuk P. V., Korniychuk O. V. Vegetation. Lviv, 2010. 1088 p.
титулка Агро