Freshwater Crabs - IUCN

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INTEGRATION OF FRESHWATER BIODIVERSITY INTO AFRICA’S DEVELOPMENT PROCESS: MOBILIZATION OF INFORMATION AND DEMONSTRATION SITES Demonstration project of the Gambia River Basin Training of Trainers module on <strong>Freshwater</strong> <strong>Crabs</strong> Wetlands International Afrique Rue 111, Zone B, Villa No 39B BP 25581 DAKAR-FANN T EL. : (+221) 33 869 16 81 FAX : (221) 33 825 12 92 EMAIL : wetlands@orange.sn Crab module Page 2
Table of Content Introduction ............................................................................................................................................................. 4 Goal and objectives of the module ....................................................................................................................... 5 Module content .................................................................................................................................................... 6 Training needs ...................................................................................................................................................... 7 Expected results ................................................................................................................................................... 8 Topic 1. Presentation of the study area ................................................................................................................... 9 Topic 2. general information on crabs .................................................................................................................. 11 2.1.- Classification of crabs ................................................................................................................................ 11 2.2.- Origin of crabs ........................................................................................................................................... 11 2.3.- Morphology and anatomy .......................................................................................................................... 12 2.3.1.- General organization of a crab ........................................................................................................... 12 2.3.2.-Circulatory System ............................................................................................................................. 13 2.3.3.- Respiratory System ............................................................................................................................ 14 Topic 3. Eco- biology of crabs .............................................................................................................................. 15 3.1.- biological diversity of crabs in the gambia river basin .............................................................................. 15 3.2.- Reproduction and life cycle ....................................................................................................................... 16 3.3.- feeDing behavior of crabs .......................................................................................................................... 17 Topic 4. Importance of crabs ................................................................................................................................ 19 4.1.- economical importance .............................................................................................................................. 19 4.2.- intermediate host ........................................................................................................................................ 19 4.3.- Toxicity ...................................................................................................................................................... 19 Topic 5. protocol to monitor crabs in the gambia river basin ............................................................................... 20 1. Materials ............................................................................................................................................... 20 5. 1.1.- Scientific team .................................................................................................................................. 20 5.1.2.- Collection material ............................................................................................................................. 20 5.1.3.- Sample periods .................................................................................................................................. 21 5.1.4.- Study site ........................................................................................................................................... 21 5. 2.- Methods ..................................................................................................................................................... 21 5.2.1.- Study and collection methods ............................................................................................................ 21 5.2.2.- Data processing .................................................................................................................................. 22 bibliography .......................................................................................................................................................... 23 ANNEXES ............................................................................................................................................................ 24 Crab module Page 3
Page 1: INTEGRATION OF FRESHWATER BIODIVERS
Page 5 and 6: GOAL AND OBJECTIVES OF THE MODULE T
Page 7 and 8: TRAINING NEEDS Human resources: - 1
Page 9 and 10: TOPIC 1. PRESENTATION OF THE STUDY
Page 11 and 12: TOPIC 2. GENERAL INFORMATION ON CRA
Page 13 and 14: Figure 2 : The body plan of a crab
Page 15 and 16: TOPIC 3. ECO- BIOLOGY OF CRABS 3.1.
Page 17 and 18: Nauplius de balane Zoé de crabe M
Page 19 and 20: TOPIC 4. IMPORTANCE OF CRABS 4.1.-
Page 21 and 22: 5.1.3.- Sample periods Figure 5: Co
Page 23 and 24: BIBLIOGRAPHY - Brusca (R.C.), Brusc

Freshwater Crabs - IUCN

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