The primary objective of this study was to evaluate whether crown width and the crown width–DBH (CW/DBH) ratio can serve as non-destructive proxy indicators of competition and relative site condition in natural stands of Taxus baccata. Crown architecture regulates light intercept...
Open access
Research Article10.9734/ajee/2026/v25i1863
This study presents a multi-year (2022–2024) investigation into the soil physicochemical properties and contamination by major and trace metals around a cement plant in Karbi Anglong, Assam, India. Soil samples collected from four directional zones during 2022–2024 were analyzed...
Open access
Research Article10.9734/ajee/2026/v25i1864
Rapid urbanisation and population growth in coastal cities have resulted in increased discharge of domestic waste, industrial effluents, and surface runoff into adjacent water bodies, leading to significant alterations in water quality. Assessing seasonal and spatial variations i...
Open access
Research Article10.9734/ajee/2026/v25i1861
The tribal communities of north eastern region of India have long depended on the forest-agriculture interface for their livelihoods. Agroforestry systems continue to play a vital role in conserving plant genetic resources and sustaining ecological functions. The Reang (or Bru) t...
Open access
Research Article10.9734/ajee/2026/v25i1860
Aims: This study aimed to assess the environmental impacts of wastewater discharge from the Tobruk wastewater treatment plant on the coastal water quality of Al-Awda Beach, northeastern Libya. Study Design: A spatio-temporal observational field study. Place and Duration of Study:...
Open access
Research Article10.9734/ajee/2026/v25i1858
Niger agricultural sector has experienced changes in the production system and in the economic environment both at national and international level. It has faced cereals price distortions engendered by the recent fiscal policies reforms. Rice production is encouraged by agricultu...
Open access
Research Article10.9734/ajee/2026/v25i1859
Wiiyaakara stream is a freshwater resource in wiiyaakara community in Ogoni, Rivers State, Nigeria. This study assessed the physicochemical properties and heavy metal concentrations of this steam under varying conditions: seasonal, spatial and disturbance related conditions. Wate...
Open access
Research Article10.9734/ajee/2026/v25i1856
Declining influent carbon-to-nitrogen (C/N) ratios in modern wastewater treatment plants (WWTPs) increasingly limit conventional heterotrophic denitrification, resulting in incomplete nitrate removal, accumulation of nitrite and nitrous oxide (N₂O), and challenges in meeting stri...
Open access
Research Article10.9734/ajee/2026/v25i1857
Aim: Rumuosi borrow pit water quality was assessed to determine its physico-chemical, heavy metal, and microbial properties and quality for human use. Study Design: A descriptive research design was employed. One random sample point on each side of the study area was located and...
Open access
Research Article10.9734/ajee/2026/v25i1855
Freshwater ecosystems face unprecedented threats from nanoplastic pollution, with particles smaller than 1000 nm emerging as a critical contaminant class capable of disrupting fundamental biological processes. This review examines how nanoplastics interfere with chemical communic...
Open access
Research Article10.9734/ajee/2026/v25i1854
Indian lakes—ranging from Himalayan basins and floodplain wetlands to coastal backwaters and dense urban waterbodies—are increasingly exposed to nutrient enrichment, altered hydrology, and warming, creating conditions that favor recurrent cyanobacterial blooms and associated heal...
Open access
Research Article10.9734/ajee/2025/v24i12849
Aims: This study examined the occurrence and habitat association of the invasive Indian Common Myna (Acridotheres tristis) in Gokwe Town, Midlands Province, Zimbabwe. Study Design: Systematic transect surveys were conducted across major urban land-use zones. Place and Duration o...
Open access
Research Article10.9734/ajee/2025/v24i12850
The management of toxic and hazardous waste (B3) is a crucial aspect of environmental management. Solid medical B3 waste is the residue from activities or businesses containing hazardous or toxic materials that can pollute or damage the environment, either directly or indirectly....
Open access
Research Article10.9734/ajee/2025/v24i12851
This study assessed heavy metal contamination and associated human health risks in periwinkle, shrimp, and crab collected from coastal and inland communities of Rivers State, Nigeria, including Bonny, Ogoni, Eleme, and Omoku. Metal concentrations (Pb, Cd, Cr, Ni, Cu, Fe, Zn) were...
Open access
Research Article10.9734/ajee/2025/v24i12852
Per- and polyfluoroalkyl substances (PFAS) pose a significant global threat to water security because of their extreme persistence, mobility, and proven adverse health effects. Their strong carbon-fluorine (C–F) bonds provide high stability, resulting in widespread environmental...
Open access
Research Article10.9734/ajee/2025/v24i12853