GENERAL CONSIDERATIONS AIR SAMPLING 1 AQUATIC ENVIRONMENT 1 AQUATIC INSECTS 1 ARTIFICIAL PROPAGATION 1 CHEMICAL ANALYSIS 1 CLONAL CROPS 1 COMMON FRESHWATER 1 CROSS POLLINATED CROPS 1 EVALUATION AND MULTIPLICATION 1 POND FERTILISATION 1 PREDATORY AND WEED FISHES 1 SELF-POLLINATED CROPS 1 SOIL SAMPLING 1 SOIL/WATER SAMPLING PROCEDURES 1 SPECIAL APPROACHES 1 STRESS RESISTANCE 1 WATER SAMPLING 1