Bei-Bienko’s Plump Bush-cricket (Isophya beybienkoi) Case Study

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MBZF Grant 202524398
Invertebrate

Continent: Europe

Country: Slovakia

Grant Amount: $23,100

Awarded Date: January 01, 2021

Soňa Nuhlíčková

Comenius University, Faculty of Natural Sciences


Mlynská dolina, Ilkovičova 6

Bratislava

Slovakia

842 15

Slovakia

Tel: 02 602 96 404

Mob:

From expert estimates to evidence-based conservation action for critically endangered bush-cricket

Bei-Bienko’s Plump Bush-cricket is an endemic species to the Slovak Karst, Central Europe. The species is listed as Critically Endangered on the IUCN Red List, being restricted to the last six isolated subpopulations. To prevent the species from extinction, the main objective of this project is to propose a conservation strategy based upon robust information on the species’ distribution, population status, ecology and threats.

Following the objectives of this project, the main activities are arranged as follows:

 

1) Objective1: Ecology of the threatened bush-cricket

 

a) Survey of historical and recent sites, providing information on the current species distribution, including the identification of stepping stones among isolated subpopulations.

 

b) Estimation of subpopulation sizes and thus identification of priority areas for conservation.

 

c) Study of micro-habitat requirements and temporal changes of habitat availability. This activity is especially needed for effective species management in terms of the prediction of bush-cricket distribution.

 

d) Determination of habitat changes during the last 60 years and reconstruction of the species distribution in the past. This activity is crucial in terms of the understanding of the species distribution in the past compared to the current status.

 

2) Objective2: Threat analysis

 

a) Identification of major threats. Clarification of major threats, including lessons from the past, current observations and potential future threats.

 

Objective3: Creating of conservation plan 

 

This activity will include novel and comprehensive analysis based on results obtained in Objective 1 and 2, including complex interactions within a landscape shaped by human land use and development of translocation strategy. 

 

Objective4: Species support 

 

Establishment of back-up population(s). Crucial conservation measure expected to improve connectivity among subpopulations in fragmented landscape and thus reduce extinction risk.

MBZF Grant 202524398 - located in Slovakia, Europe