LIFE Nature:
http://ec.europa.eu/environment/life/
Natura 2000 network:
http://ec.europa.eu/environment/nature/natura2000/index_en.htm
LPN - Liga para a Protecção da Natureza (LPN - League for the Protection of Nature):
www.lpn.pt
Évora University:
www.uevora.pt
ICNF - Instituto da Conservação da Natureza e das Florestas
http://www.icnf.pt/portal
Aqualogus - Engenharia e Ambiente
http://www.aqualogus.pt/
National Fisheries Charter
www.cartapiscicola.org/
SIBIC – Iberian Society of Ichthyology
http://www.sibic.org/sibic.html
National Water Council
http://conselhonacionaldaagua.weebly.com/
Portuguese Environment Agency
http://www.apambiente.pt/
