Topics: Environmental economics, economics, production, Agricultural production decision, production function, Resource productivity, resource efficiency, land resources, sustainable management, forest resources, water resources, irrigation economics, environmental degradation

Topics: Natural Environment, Animal Production, earth science, environment, geological activity, oceans, rivers, streams, lakes, ponds, climate change, atmosphere, atmospheric layers, global warming, climate, weather, life ecosystems, biomes, biogeochemical cycles, wilderness, Environmental degradation, population growth, agriculture, water management, greenhouse gas emission, Gas effect, emissions, pollution, air pollution, water pollution, land pollution, erosion, coastal erosion, glaciers, floods, freezing, thawing, wind erosion, gravitational erosion, exfoliation, soil structure, soil composition, vegetation cover, topography, agricultural practices, deforestation, urbanization, airborne dust pollution, desertification, Stratospheric Ozone, ozone hole, Antarctica Ozone Theory

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: Aquaculture, Environment, Aquaculture Farms, water quality, Hypernutrification, Eutrophication, siting farms, farm design, Animal Wastes, sewage, Heated-water Effluents, water recycling, Aquaculture Waste Production, Feed-derived Waste Products, Metabolic Waste Products, feed loss, Fertilizer-derived Wastes, Algal Blooms, Bacterial Communities, Polyculture, species diversity, disease transmission, genetic dilution, pathogens, aquaculture products safety, microbial contamination, Organochlorines contamination, environmental Contaminants, trace metals contamination, Economic Sustainability, Aquaculture Sustainability, Environmental Sustainability, Aquaculture Development Zones, Environmental Impact Assessment, land use, water use, waste treatment

Topics: Soil Fertility, Fertilizers, global population growth, food consumption, food production, agricultural land use, crop yields, nutrient use, Crop Yield Limiting Factors, buffering capacity, mineral solubility, soil acidity, soil alkalinity, Soil pH Buffering, Reducing Soil Acidity Effects, Calcareous Soils, Saline Soils, Sodic Soils, Saline-Sodic Soils, nitrogen, Biological Fixation, Phosphorus, Phosphorus cycle, soil Phosphorus forms, Phosphorus sources, Potassium cycle, soil Potassium forms, Potassium sources, Sulfur, Calcium, Magnesium, Micronutrients, iron, zinc, coper, Manganese, Boron, chloride, Molybdenum, Nickel, Beneficial Elements, soil fertility evaluation, plant nutrient-deficiency symptoms, plant analysis, greenhouse tests, soil testing, nutrient management, soil characteristics, nutrient placement, Nutrient Interactions, nutrient Economics, Agricultural Productivity, Environmental Quality

Topics: Old Testament Survey, Promised Land, Israel’s History, Kadesh-Barnea Delay, period of judges, David court history, Solomon career, Solomon Divided Monarchy, Religious Reforms, Hezekiah, Josiah, Fall of Jerusalem, Zerubbabel, Ezra, Nehemiah, Mesopotamia, Syria-Palestine, Egypt, Palestine geography, coastal plain, Hill country, Jordan Valley, Jordan rift, Transjordan Plateau, Torah, Genesis, creation and fall, Passover, Leviticus, Animal Sacrifices, Brazen Snake, Balak, Balaam, Davidic Reign, David’s Enthronement, David’s Military Career, David’s Errors, David’s Spiritual Career, Rehoboam, Cultic Prophecy, prophets

Topics: Christianity, Catholic, Methodists, Protestant Mission, Activities of Christians in Egba Land, Christianity in Brass Area, Christianity Imposed on the Ibos, Planting of Christianity in Akoko-Kukuruku Area, Planting of Christianity in Kaba Area, Independent church movement, Impact of Christianity in Nigeria, Problems and Prospects of Christianity in Nigeria

Topics: God and Revelation, Old Testament Theology history, Old Testament Theology methodology, God's nature, God's attributes, creation, humanity, covenants, Gift of Land, sin and evil, worship, priesthood, sacrifice, Redemption, prophecy

Topics: Sociolinguistics, languages, dialects, social identity, language change, regional dialects, dialect continua, dialect geography, speech communities, social networks, social identities, Perceptual dialectology, Linguistic landscapes, Diglossia, language attitudes, language ideologies, Language learning, Questioning diglossia, Multilingual Discourse, Multilingual identities, Markedness Model, Lingua Francas, contact languages, Pidgin Languages, Creole Languages, Pidgin Formation, Creole Formation, Morphosyntax, Language Variation, mapping dialects, dialectology, linguistic variable, Social Variation, Social class membership, Social networks, data collection, data analysis, sampling, pragmatics, speech acts, pronouns, discourse analysis, interactional sociolinguistics, contextualization, critical discourse analysis, sexist language, grammatical gender marking, Women's language, Multilingual Education, language policy, language planning

Topics: African Novel, Pamphleteering, orality, Rise of Formal Novels, African Milieu, land politics, apartheid politics, independent Africa, militarism politics, Anti-Colonial African Novel, Marxism, War Fiction, Francophone Africa Fiction, North African Novels, Lusophonic African Fiction, Central African Blocs, Diaspora Novelists, Alternative History Novels, Biography, Short Fiction, African Oral Narrative Forms, African Myths, African Legends, African Epic Narratives, Market Literature, Onitsha Market Literature, Kano Market Literature, Classless Novels, Post Independence Novels, African Culture