Adrian Lloyd Jones Beavers as ecosystem engineers Sussex Wetlands Conference

1. Species as Ecosystem Engineers THE BEAVER

4. Probable distribution of European beaver in Europe (outwith Russia) after the last Ice Age (Halley, D & Rosell, F. - 2002)

5. Beaver distribution by late 19th Century 1. Telemark, Norway. c.100 2. Elbe, Germany. <200 3. Rhône, France. c. 30 4. Pripet Marshes, Belarus. <400 Approx population: 1,200 animals

7. Present day distribution

10. Feeding

13. Fallen and standing deadwood

21. Beavers increase number of fish species 1964 1967 1992 1994 2002 9 10 8 8 18 0 2 4 6 8 10 12 14 16 18 20 Fish species [N] Beaver dam 1995

28. Building and Digging - Burrows and Lodges

31. Beaver Canals

32. Beavers in a human influenced landscape

37. Beaver trap baited with apples

39. Llanbwchwyn SSSI. 67 acres Radnorshire Wildlife Trust

44. Biodiverse Beaver Landscapes

45. Thank you