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

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: Animal biology, environmental biology, Fauna biodiversity, invertebrate classification, protozoa, Mesozoa, Metazoa, Arthropoda, Trilobita, Onychophora, Crustacea, diplopoda, chilopoda, Pauropoda, Arachnida, insecta, phylum Echinodermata, cell, cell theory, Eukaryotic cell, organization of life, macromolecules, carbohydrate, disaccharide, Polysaccharides, lipids, proteins, protein structure, protein diversity, nucleic acids

Topics: Plant biology, biotechnology, Microbial Biotechnology, Agricultural Biotechnology, Animal Biotechnology, Forensic Biotechnology, Environmental Biotechnology, Regulatory Biotechnology, plant cell, biodiversity

Topics: Enviroment, land, air, water, flora, fauna, man, Deforestation, Land degradation, Desertification, Ozone Layer Depletion, Climate Change, Deterioration of Fresh Water Resources, Destruction of Biodiversity, Generation of Waste, Toxic Chemicals, Environmental Resources

Topics: population, expansive population pyramids, stationary population pyramids, population pyramid, population size, population density, population abundance, population growth, community, ecosystem, energy flow, decomposition, nutrient cycling, biodiversity, environment, ecological niche

Topics: Applied Ethics, abortion, accounting, business ethics, acts, omissions, addiction, adoption, advance directives, advertising, affirmative action, affordable housing, ageism, agricultural ethics, AIDS, altruism, economics, animal research, animal rights, Anthropocentrism, Archaeological Ethics, Aristotelian Ethics, Auditing Practices, arts, autonomy, benefit sharing, biobanks, Biocentrism, biodiversitybioethics, Bioinformatics, biopower, foucault, biotechnology, bioterrorism, border control, brain death, broadcast journalism, Buddhism, business ethics, capital punishment, casuistry, censorship, child abuse, Children’s Rights, Christian Ethics, citzenship, civil disobedience, climate change, clinical ethics, cloning, codes of ethics, collective guilt, communication ethics, Communitarianism, Community Consent, Complementary Medicine, information ethics, Computer Security, Confidentiality, Conflict of Interest, Confucianism, conjoined twins, Conscientious Objection, Consequentialism, Deontology, consumer rights, Contractarian Ethics, Corporate Ethics, Reputation Management, Corporate Governance, Corporate Responsibility, cosmetic surgery, Cosmopolitanism

Topics: Tourism, Nigeria’s Biodiversity, Seasonality, map, Nigeria’s Location, Nigerian climate, Nigeria Vegetation, Site Evaluation, seasonality, festival season