Links w.r.t. nature management and photography:



Nature management:

Foundation "Het Limburgs Landschap"
Dutch Forest Service
Dutch National Parks
NP "De Groote Peel"
NP "De Maasduinen"
NP "De Meinweg"



Nature photography:

Holger Lorenz
Ruben Smit
Serkan Günes
Jim Brandenburg
Vincent Munier
Nick Brandt
More about Nick Brandt (and other artists) on https://www.artsy.net/artist/nick-brandt

Nature photography in combination with other interesting topics:

Nature First alliance
Big Life Foundation
The Luminous Landscape
Norman Koren
Norway Nature
Joseph Holmes