📝 Pack 

PACK 17  B7d Ecosystems

🖥️ Slides & video

B7d Ecosystems SLIDES

B7d Ecosystems VIDEOS

REQ PRAC 12 Random sampling VIDEO

REQ PRAC 12 Transects VIDEO

📗 Book sections

B7d Ecosystems TEXTBOOK

B7d Ecosystems REVISION GUIDE

🏆 EXTENSION links