Topics: Aquatic Biodiversity, Aquatic Biodiversity threat aquatic ecosystem, endemic species, habitat loss, Aquatic Pollution, climatic change, Aquatic Biodiversity Monitoring, Aquatic Biodiversity assessment, Total Aquatic Biodiversity-value Index, Aquatic Biodiversity Conservation, Aquatic Biodiversity Management, Vulnerable Trans-Boundary Aquatic System, National Biodiversity Action Plan, Fresh Water Ecosystem, lake, pond, Lotic Streams, Estuarine Ecosystem, metallic pollution, Pesticidal Pollution, Industrial Pollution

Topics: Biodiversity, genetic diversity, mutation, variation, Hidden genetic diversity, phenotypic identity, speciation, Extinctions, predation, Holling model, Patch dynamics, Spatial heterogeneity, temporal variability, Northern European terrestrial systems, Paleoenvironments, tropical rainforests, biological diversity, Continental aquatic systems, Overexploitation, Land use, Human onchocerciasis, Malaria, Morbilliviruses, Haemorrhagic fever viruses, antibiotic resistance, pesticide resistance, Genetic resources, biotechnology, Transgenesis, Ornamental plants, ornamental animals, ecotourism, National parks, Marine environments, Ex situ conservation, Botanic gardens, Zoological parks, conservation biology, Restoration ecology, species reintroduction

Topics: Analytical Techniques In Agriculture, safety quality, precision, accuracy, Animal Feed Sample Analysis, Soil Samples Analysis, Plant Sampling, soil sampling, soil sample preparation, microscopy, Atomic Absorption Spectrophotometer, High-performance liquid chromatography, Thin Layer Chromatography, Gas Chromatography, Polymerase Chain Reaction, Gel Electrophoresis, Hematology, Serum Biochemistry, Sample Conservation, sample Preservation, Cryopreservation

Topics: Pasture, pasture establishment, pasture utilization, forage yield determination, forage conservation, pasture nutritive value, grass morphology, legumes, shrubs, Nigerian vegetation zone, rainforest, guinea savanna, Sudan Savanna, Mangrove zone, plant introduction, Soil fertility, Seedbed Preparation, conventional tillage, no-till seedbed, seeding rate, weed control, forest grazing

Topics: Weed Science, weed Control, weed classification, weed reproduction, weed seeds dissemination mechanism, weed management, weed control methods, Herbicides, Herbicide formulation, Herbicide calibration, Herbicide Dosage calculation, plant Herbicide resistance, Herbicide handling, Herbicide storage, Herbicide disposal, Herbicide safety

Topics: Soil Ecosystem, Microbial Ecology, soil ecosystem development, Soil Food Web, Biogeochemistry, Nutrient Cycling, Carbon cycling, Nitrogen Cycling, Plant Roots, Rhizosphere

Topics: soil science, soil habitat, soil mineral components, soil organisms, soil organic matter, soil structure, soil micromorphology, soil porosity, soil-forming factors, climate, hydrologic cycle, soil temperature, evaporation, cation exchange, Anion adsorption, Clay–organic matter interactions, soil aeration, soil respiration, soil profile, Hydromorphic soils, Salt-affected soils, nutrient cycling, phosphorus, sulphur, potassium, calcium, magnesium, trace elements, soil management, soil acidity, liming, soil erosion, fertilizers, pesticides, nitrogen fertilizers, phosphate fertilizers, plant protection, problem soils, soil drainage, soil information systems, soil survey methods, soil quality

Topics: Agricultural Extension Administration, Agricultural Extension Supervision, agricultural Extension Programmes Planning, Agricultural Administration, Agricultural Extension staff supervision, Organisational Structure, Agricultural Extension Organisation theories, Staff Performance Appraisals, staff promotion

Topics: Rural Development, Leadership, project planning, project analysis, Rural Development Projects, community development, leader training, leader selection, Rural Leadership problems, Poverty Reduction, Integrated Rural Development Model, project cycle, project identification, project appraisal, project implementation

Topics: Agriculture, Land use, land tenure system, crop production, crop plants classification, Pasture, Forage Crops, agriculture production soils, farm animals production, ruminants, cattle management system, farm animal production, pigs production, poultry production, poultry management, chicks management, broilers management, cockerels management, layers management, Agricultural Extension Services, forest production, wildlife production, fish production