Topics: soil properties, soil management, tropical environment, temperature, solar radiation, rainfall, tropical climates, vegetation, physiography, Anthropocene, biodiversity, climate change, demographics, Green Revolutions, Tropical Agroecosystems, land use, land-use change, Pedology, Physics, Chemistry, Biology, Laterite Paradigm, tropical soils, tropical soil research, Soil Taxonomy, soil classification systems, soil physical properties, soil temperature, soil structure, soil compaction, soil water, soil erosion, conservation, conservation agriculture, water, rainfed agriculture, irrigated agriculture, irrigation, mineralogy, clay minerals, mineralogy families, Anion Exchange Capacity, soil acidity capacity, Acid Soil Infertility, Liming, overliming, subsoil acidity, secondary acidity, soil biology, soil biodiversity, comminution, decomposition, nutrient elements transformation, soil structure regulation, organic carbon, carbon pools, carbon fractions, animal manures, composts, biochars, organic farming, soil fertility, nutrient cycling, nutrient uptake, determining fertilizer needs, nitrogen cycle, nitrogen pools, atmospheric deposition, biological nitrogen fixation, mineral fertilizers, organic nitrogen mineralization, soil nitrogen fertilizer reactions, Phosphorus Cycle, Phosphorus, Total Soil Phosphorus, inorganic Phosphorus, Phosphorus sorption, Phosphorus release, plant Phosphorus requirements, Phosphorus fertilization, sulfur cycle, sulfur sorption, Sulphur fertilization, Forest–Soil Nutrient Cycles, land clearing, Mechanized Land Clearing, Crop Yield Declines, Field Abandonment, Secondary Forest Fallows, puddling, flooding, rice cultivation systems, Nutrient Management, Yield Stagnation, Nitrogen Sequestration, Livestock-Based Tropical Systems, tropical pastures, Tropical Livestock Management Systems, pastoralism, Smallholder Mixed Crop–Livestock Systems, Extensive Pasture-Based Beef Production, Pasture Degradation, Crop–Pasture Integration, Tropical Tree-Based Systems, Plantation Forestry, Plantation Forestry Species, Agroforestry, Agroforestry Tree Species, Agroforestry Systems, Simultaneous Agroforestry, Sequential Agroforestry, tree crops

Topics: Forestry, Wildlife Management, Renewable Natural Resources, Forest Trees, Silviculture, Seedling Production, Seed Germination, Seed Management, Protective Afforestation, Animal Behaviour, Wildlife Damage Problems, Wildlife Conservation, Wildlife Conservation methods, climate change

Topics: Bacteria, Aerobic Gram-Positive Cocci, Aerobic Gram-Positive Rods, Acid-Fast Bacteria, Aerobic Gram-Negative Cocci, Coccobacilli, Aerobic Fermentative Gram-Negative Rods, Aerobic Nonfermentative Gram-Negative Rods, Anaerobic Bacteria, Spiral-Shaped Bacteria, Intracellular Bacteria, virus, Human Immunodeficiency Virus, Human Herpesvirus, Respiratory Virus, Hepatitis Virus, Gastrointestinal Virus, Systemic Dimorphic Fungi, Opportunistic Fungi, parasites, protozoa, nematodes, trematodes, cestodes, arthropods, Antibacterial Agents, Staphylococcus aureus, β-Hemolytic Streptococci, Streptococcus pneumoniae, Viridans Streptococci, Bacillus anthracis and Bacillus cereus, Listeria monocytogenes, Corynebacterium diphtheriae, Acid-Fast Organisms, Mycobacterium tuberculosis, Mycobacterium leprae, Mycobacterium avium Complex, Nocardia Species, Neisseria gonorrhoeae, Neisseria meningitidis, Eikenella corrodens, Kingella kingae, Moraxella catarrhalis, Haemophilus influenzae, Acinetobacter baumannii, Bordetella pertussis, Francisella tularensis, Brucella Species, cutaneous Fungi, Subcutaneous Fungi, Escherichia coli, Klebsiella pneumoniae, Proteus mirabilis, Salmonella Species, Shigella Species, Yersinia pestis, Vibrio cholerae, Pseudomonas aeruginosa, Burkholderia cepacia, Stenotrophomonas maltophilia, Clostridium tetani, Clostridium botulinum, Clostridium perfringens, Clostridium difficile, Bacteroides fragilis, Campylobacter jejuni, Helicobacter pylori, Treponema pallidum, Borrelia burgdorferi, Leptospira Species, Rickettsia rickettsii, Ehrlichia chaffeensis, Coxiella burnetii, Chlamydia trachomatis, Herpes Simplex Virus, Varicella-Zoster Virus, Cytomegalovirus, Epstein-Barr Virus, Human Herpesviruses, Rhinoviruses, Coronaviruses, Influenza Viruses, Paramyxoviridae, Parainfluenza Viruses, Respiratory Syncytial Virus, Human Metapneumovirus, Adenovirus, Rotavirus, Norovirus, Sapovirus, Astrovirus

Topics: Plant Genetics, plant Breeding, population genetics, quantitative genetics, reproductive systems, allogamy, hybridization, clonal propagation, germplasm, Plant domestication, Plant genetic resources, morphological traits, Breeding self-pollinated species, Breeding cross-pollinated species, Breeding hybrid cultivars, Breeding clonally propagated species, molecular breeding, molecular markers, genes mapping, Molecular genetic modifications, genome-wide genetics, Seed certification, commercial seed release, International plant breeding efforts, Breeding selected crops, breeding wheat, breeding corn, breeding rice, breeding sorghum, breeding, soybean, breeding peanut, breeding potato, breeding cotton, breeding tomato, breeding cucumber, breeding roses

Topics: animal production Technique, Artificial Insemination, animal reproduction, semen preservation, Sex Determination, Sex Determination Chromosomal Theory Genic Balance Theory, Sex Determination theories, Genetic Dosage Compensation, Sex Reversal, Gamete Sexing, Embryo Sexing, Sex Chromatin, ovulation control, embryo supply, Embryo Transplantation, Heat Detection Methods, Cryopreservation Technique, cell Cryopreservation, Pregnancy Diagnosis, Rectal Palpation, Abdominal Ballotment, Radiography, Fetal Echocardiography, Vaginal Electrical Resistance, Progesterone Hormone Assay, Estrone Sulfate, cuboni test, Kosjakov‟s Test, Gonadotrophins assay, Friedman‟s Rabbit Test, cervical mucus, Milk Ejection, Pregnancy Associated Glycoprotein, Early Pregnancy Factor, relaxin assay, Vaginal Biopsy, Parturition, Lactation, estrogen, weaning methods, Invitro Maturation, Fertilization, DNA probing, nuclear transfer, Somatic Cells Nuclear Transfer, molecular cloning, cell cloning, organism cloning, Parthenogenesis, human cloning, Cloning Extinct Species, cloning Endangered Species

Topics: Food microbiology, food fermentation, food spoilage, microbial growth, Biofilm Formation, Microbial Sporulation, microbial Germination, mold spores, yeast spores, bacterial spores, gene transfer, gene cloning, plasmids, Protein Targeting, Protein Engineering, Genome Mapping, genome Sequencing, lactic acid bacteria, Bioengineered Bacteriocins, Drug-Delivery System, Bacteriophages, cell death, cell injury, Fermented Food Production, Fermented Dairy Products, Fermented Milk Products, Yogurt Fermentation, cheeses, cottage cheese, Cheddar Cheese, Fermented Meat Products, Fermented Vegetable Products, Intestinal Bacteria, Probiotics, Bioengineered Probiotics, Food Preservatives, Food Packaging, liposomes, Nanoencapsulation, Microbial Proteins, Food Additives, Single-Cell Proteins, amino acids, Nutraceuticals, Vitamins, Flavor Compounds, Flavor Enhancers, Exopolysaccharides, Microbial Food Spoilage, Food Spoilage Molds, Food Spoilage Yeasts, Eggs, Egg Products, Fish, Crustaceans, Mollusks, Microbial Food Spoilage indicators, microbial foodborne disease, Foodborne Intoxications, Foodborne Bacterial Infections, Salmonella enterica, Listeria monocytogenes, Pathogenic Escherichia coli, Shigella Species, Campylobacter Species, Yersinia enterocolitica, Foodborne Toxico-Infections, Clostridium perfringens, Bacillus cereus, Vibrio cholerae, Enterotoxigenic Escherichia coli, Opportunistic Bacterial Pathogens, Aeromonas hydrophila, Plesiomonas shigelloides, molds, mycotoxins, parasites

Topics: Toxicology, Cell Culture Techniques, cell structure, molecular techniques, molecular cloning, genomic libraries, gene expression, immunochemical techniques, proteomics, metabolomics, bioinformatics, toxicants, air pollutants, water pollutants, soil pollutant, Occupational Toxicants, metals, Agricultural Chemicals, pesticides, Organophosphorus Insecticides, Carbamate Insecticides, Botanical Insecticides, Pyrethroid Insecticides, Herbicides, Fungicides, Rodenticides, Food Additives, food Contaminants, toxins, Microbial Toxins, Mycotoxins, Algal Toxins, Plant Toxins, drug abuse, cell membranes, toxicant processing, Toxicant Distribution, Gastrointestinal Absorption, Dermal Absorption, Respiratory Penetration, Toxicant Distribution, Endoplasmic Reticulum, Microsomes, Monooxygenations, Nonmicrosomal Oxidations, Epoxide Hydration, DDT Dehydrochlorinase, Glucuronide Conjugation, Glucoside Conjugation, Phosphate Conjugation, Reactive Metabolites, Activation Enzymes, Reactive Oxygen Species, Piperonyl Butoxide, toxic action, acute toxicity, Chemical Carcinogenesis, Mutagenesis, DNA damage, mutagenesis, Human cancer, Teratogenesis, Embryonic Development, organ toxicity, Hepatotoxicity, Nephrotoxicity, Neurotoxicity Testing, nervous system, Reproductive System, Hypothalamic-Pituitary-Gonadal Axis, Male Reproductive Physiology, Female Reproductive Physiology, Endocrine Toxicology, endocrine disruption, Respiratory Toxicology, Occupational Lung Diseases, Environmental Lung Diseases, Immune System, Immune Suppression, Immune-Mediated Injury, Hypersensitivity, applied toxicology, toxicity testing, Forensic Toxicology, Clinical Toxicology, Human Health Risk Assessment, environmental toxicology, Environmental Sample Collection Methods, Analytical Techniques, Bioaccumulation, Environmental Risk Assessment, Molecular Toxicology, Biochemical Toxicology

Topics: Microbial Ecology, microfossils, microorganism diversity, Archaeal Diversity, Fungal Diversity, protist diversity, Algal Diversity, Viral Diversity, cell physiology, metabolism, cell movement, chemotaxis, Bioelectrochemical Activities, energetics, Heterotrophs, Chemolithotrophs, Photophosphorylation, Bacteriorhodopsin Reaction, microbial habitat, Aquatic Habitats, Soil Habitats, microscopy, Molecular Phylogenetics, Metagenomics, Environmental Proteomics, Microbial Interactions, Symbiotic Associations, Mycorrhizae, Nitrogen-Fixing Bacteria, Parasitism, mutalism, microbial communities, biomats, biofilms, Species Diversity, food webs, Primary Production, Energy Flow, Nitrogen Cycling, Sulfur Cycling, Phosphorus Cycling, Iron Cycling, bioremediation, genetic engineering, Xenobiotics degradation

Topics: introduced species, Ex-situ conservation, in-situ conservation, wildlife conservation, terrace farming

Topics: Nigerian Fisheries, hydrology, water resources, Mangrove ecosystem, Fish species, Freshwater Fish, fisheries, fishermen, Fishing season, Fishing gear, Traditional ban, Small Reservoir, Natural Lake, Fishery Statistical Data, Fishery Legislations, Fishery Surveillance