PhD study on the application of biodiversity offsets in France: Les mesures compensatoires pour la biodiversité. Conception et perspectives d’application

PhD Baptiste RegneryBap­tiste Reg­n­ery has pre­pared a PhD study at Uni­ver­sité Pierre et Marie Curie, Paris on the appli­ca­tion of bio­di­ver­sity off­sets in France in 2013. It is enti­tled “Les mesures com­pen­satoires pour la bio­di­ver­sité. Con­cep­tion et per­spec­tives d’application” (in French language).

For more infor­ma­tion you can down­load the the­sis here or find a pdf here and see the abstract below:

Regnery_2013_Les mesures com­pen­satoires pour la biodiversite


Devel­op­ment projects are cur­rently one of the great­est threats to bio­di­ver­sity. In this con­text, an increas­ing num­ber of States are imple­ment­ing off­set poli­cies to rec­on­cile devel­op­ment projects with bio­di­ver­sity con­ser­va­tion. How­ever, bio­di­ver­sity off­sets have been chal­lenged until know, both con­cep­tu­ally and prac­ti­cally. This the­sis aims to strengthen sci­en­tific bases in off­set design­ing and to pro­vide tools to improve off­set prac­tices. There­fore, I first attempted to clar­ify the con­cepts of bio­di­ver­sity off­set and to high­light the main para­me­ters to assess eco­log­i­cal losses and gains. Sec­ondly, I stud­ied at a national scale how off­set mea­sures for pro­tected species were designed at a national scale. Among sev­eral results, I showed that tax­o­nomic equiv­a­lences were strongly influ­enced by char­ac­ter­is­tics of impacted sites. I also pointed that cur­rent off­sets took lit­tle account of com­mon species and eco­log­i­cal func­tions. Thirdly, I stud­ied the indi­ca­tor value of tree micro­hab­i­tats in for­est. I showed that tree micro­hab­i­tats can explain tax­o­nomic and func­tional vari­a­tions among birds and bats. These results pro­vide oppor­tu­ni­ties to assess eco­log­i­cal tra­jec­to­ries and could help to improve off­set design­ing in for­est ecosys­tems. Finally, I attempted to pro­vide solu­tions to take bet­ter into account spa­tial and tem­po­ral issues of bio­di­ver­sity con­ser­va­tion through offset.

Key­words : bio­di­ver­sity — devel­op­ment projects — off­set mea­sures — eco­log­i­cal equiv­a­lence — indi­ca­tors — forest.




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