Plenary Lecture

Eusocial Ant Nest Management, Template for Land Development Decisions

Professor Gero Benckiser
Justus Liebig University Giessen

Abstract: The invention of technical N2 fixation (TNF) enables plant demand surpassing, soil organic matter (SOM) conversion accelerating N fertilizations which move the production site away from the thermodynamic equilibrium. The yields increase and fertilized and nitrification formed surplus nitrate (NO3-) favours N2O emissions, land erosion and NO3--dislocation from topsoils towards groundwater.
In contrast to mineral N fertilisation move harvester ants move their production site with organic matter imports, low in N, away from the thermodynamic equilibrium whereby the storing of surplus N in the cuticle and a SOM pool refilling with low N organic matter limits the NO3- availability. The denitrifying microflora is forced to use NO3- economically and differently as in N overloaded fields preferred end product is N2 not N2O.
The meanwhile better understood and to the interdisciplinary nature of soils contributing ant nest management is basis of drafted three dimensional economic(x)-ecological(y)-socio-cultural(z) Gibb‘s triangle diagrams in this paper which illustrate the complex influences organic/precision farming and the supervising governance are facing when conserving the present yield height at reduced N overloads and interest balancing to achieve more welfare for each citizen are tried to approach. Breakthroughs in reaching N overload and land degradation reduction are discussed.

Brief Biography of the Speaker: TBA

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