Articles in Ecology

Sahlbergella singularis, the brown cocoa mirid, is the most economically important insect pest of cocoa in West Africa, capable of causing over 70% yield loss. The use of synthetic insecticides over the years has led to serious health and...

Activities in abattoirs and direct release of its waste into the environment are on the increase due to high protein demand in the country; and there is a need for proper assessment of abattoir soil for pollution. This study evaluated bioaccumulat...

The effects of vegetation degradation on the abundance and diversity of anuran species were investigated in Arun Owun, Delta State. Combinations of visual encounter survey (VES) and acoustic encounter survey (AES) were conducted to estimate the lo...

Helminth parasites of anurans from Ijala Ikeren, a mangrove-contiguous community, in the Niger Delta of Nigeria were
investigated. A total of 76 anurans belonging to 4 families, 5 genera and 9 species were examined and they include
A...

High levels of environmental contamination can occur from e-waste processing, putting workers and residents in surrounding areas at risk as they are likely to be exposed to complex mixtures of unknown toxicity. This study was aimed at assessing th...

Hylarana galamensis collected from three biotopes in Nigeria were investigated for infection with the monogenean Polystoma galamensis. Of the 152 specimens examined, 19 (12.5%) were infected with the parasite. Prevalence in the guinea savannah was...

The anuran paratenic and mammalian definitive hosts of Diplopylidium triseriale, a cestode parasite of mammalian carnivores were investigated in a rainforest biotope in Edo State, southern Nigeria. Of the 15 anuran species examined, three, includi...

Four hundred stool samples (76 watery and 324 soft-formed) obtained from children attending three hospitals in Funtua Local Government Area of Katsina State were examined for  Cryptosporidium oocysts.  A structured questionnaire...

Educational programmes have for long been used in biodiversity conservation; however introduction of board games in these efforts is a new concept, which is believed, will result in greater achievements. This study developed and used a new educati...

The role of protected areas is for the long-term conservation of biodiversity. This study investigated the effectiveness of the Hadejia-Nguru Ramsar Wetlands Protected Areas in maintaining bird community. We assessed and compared species’ r...

One hundred and fifty (150) specimens of Sarotherodon melanotheron and 150 specimens of Chrysichthys nigrodigitatus were collected from Better-life Fish Market in Makoko area of Lagos State between June-August 2016 to provide inf...

The effects of water depth on the digestive enzymes activities of Clarias gariepinus was investigated. Ten concrete tanks (50x150x100 cm capacity) were used; each tank was filled with water at different experimental water depths (25, 50...

The insecticidal activities of crude ethanol extracts of leaves of three weed species, Siam weed, Chromolaena odorata Linn., Milk weed, Euphorbia heterophylla Linn. and Tree Marigold Tithonia diversifolia (Hemsl.) A, Gra...

Determination of rodent home range (HR) is invaluable for characterizing population distribution and strategies for accessing food, mate and nest sites, as well as, dispersal into new fields. The present study, in savannah fallow fields near Kano...

This study aimed at evaluating the pathological features associated with Schistosoma mansoni infection and assessment of the efficacy of artemether in the treatment of intestinal schistosomiasis in laboratory mice. Cercariae harvested fro...

The study investigated the effect of exposure to monochromatic lights (ambient - control, blue, red, yellow, white) on haematology, plasma electrolytes, growth hormone and weight changes in albino rat (Rattus norvegicus). Albino rats were...

The bottom-up and top-down interactions of the abiotic and biotic components of Iyieke Lake were studied for eleven months covering a pre-flood, flood and post-flood periods. During the study, some water quality parame...

Tree frogs are generally regarded as arboreal frogs and those associated with water during their breeding season as aquatic/arboreal frogs. Obazuwa Wetlands and Ikpako Riparian Habitat are both located in Ovia North Ea...

Snappers are highly recommended as choice seafood and as viable candidate for cage culture in the brackish water and marine environments. However, very limited data exists on biological parameters of the snappers, ...

This study was conducted in order to determine the insecticide susceptibility status of Anopheles gambiae in Umudike, Abia State, Nigeria. Larval and pupal stages of An. gambiae mosquitoes were collec...

In recent times, there has been decrease in the number of migratory and resident birds in Hadejia-Nguru Wetlands in Nigeria. This, no doubt, is a subject of concern to conservationist and the country at large. The effe...

The need to screen new rice genotypes for resistance to stored product insect pests is important to boost production and availability of rice for food security. Therefore, thirteen rice genotypes and varieties included...

This study examined the differences in cranial morphology of tree squirrel species (Heliosciurus rufobranchium) from four different locations in rainforest part of Nigeria. Locally fabricated live traps made o...

The Ogun River is a sink for untreated effluents discharged from the Kara Cow Market, Ogun State. In this study, microbiological, physicochemical and heavy metals evaluation were carried out on effluent from the market...

Shrimps remain an important source of proteins worldwide. The contamination of the environments with effluence such as from domestic, healthcare systems, industrial waste discharges and agricultural run-offs; are posin...

The parasitofauna of ground-dwelling anurans from pesticide-treated cocoa plantations (CP) in Ojo Camp, Ugboke, Edo State of Nigeria were investigated and compared with those recovered from host specimens collected from the village settlement (VS)...

Insect-vectored viruses are a major threat to grapevine production but there is a dearth of information on the occurrence and distribution of key grapevine pests in Nigeria. The recent detection of grapevine leafroll associated virus-1 (GLRaV-1)...

Tsetse fly infestation in national parks is a major health risk to both the wildlife and tourists coming to sub-Saharan Africa. However, information on distribution and diversity of tsetse flies and trypanosome infection rate in Protected Areas li...

This study assessed the abundance and nesting sites characteristics of red-headed picathartes (Picathartes oreas) in protected and unprotected forest in Cross River State, from August 2016 to January 2017. Data were collected through oral...

Cichlids are highly abundant and commercially important fish in freshwater ecosystems in Nigeria. This study examined the diversity and abundance of cichlids in Ikere Gorge Reservoir. Four fishing villages were randomly selected from 12 fishing vi...

The ecology of an exploited population of the commercially important molluscan species, Pachymelania byronensis (Wood, 1828) was studied (January-December, 2018) in the lower Cross River, Nigeria, using density [number per hectare (N. ha<...

The desire to shore up the shortfall in protein supply, the increased awareness of the importance of cholesterol free
animal protein, like guineafowl, and the need to conserve their wild genes, have necessitated studies on improved
capti...

The level of heavy metals in water, sediment, water hyacinth (Eichhornia crassipes) and frillfin goby (Bathygobius soporator) from Ologe Lagoon and its tributaries were monitored because of the importance of the water bodies to t...

The influence of environmental variables on the seasonal and spatial distribution of plankton was studied for 24 months between February 2015 and January 2017 in the marine coastal water of Ogun State, Nigeria. The coastline was stratified into th...

A survey on the diversity and abundance of earthworms in southwestern Nigeria was carried out. Earthworm and soil samples
were collected from thirty different locations within the sub-region. Earthworms were identified and soil samples were a...

Samples of broiler starter feed, grower mash, broiler finisher feed and layers mash were collected from three commercial feed manufacturers and were coded commercial feed A (CFA), commercial feed B (CFB) and commercial feed C (CFC). The proximate...

The menace of microplastics in the aquatic ecosystems is of increasing concern worldwide mainly due to their impact on the entire ecosystem and human health. In order to contribute to knowledge, the incidence of microplastics in water and fish sam...

Benin City, the capital of Edo State of Nigeria has undergone tremendous changes in recent times, especially with the aggressive rate of urbanisation in the last two decades. This has invariably resulted in habitat loss and fragmentation for the a...

Benthic macroinvertebrates are helpful bio-indicators providing better understanding of modified and perturbed aquatic ecosystems. This study seeks to determine the ecological status and diversity of the macroinvertebrate community in relation to...

The presence of the West African manatee, Trichechus senegalensis in a semi-wild holding facility in Little Stream Farm, Ibesikpo Asutan Local Government Area, presented an opportunity to study directly, aspects of their biology, which hi...

The decline in animal population with resulting risk of eventual disruption of ecosystem functioning has necessitated moves towards non-invasive sampling methods for ecotoxicological studies. These efforts have focused on developing sampling metho...

Biodiversity is critical for sustainability but it is being increasingly threatened by anthropogenic activities, such as habitats’ degradation through deforestation, unsustainable shifting cultivation and draining of wetlands; as well as ind...

Macroinvertebrates are good bioindicators of water quality and ecosystem health and are often used to study anthropogenic effect on aquatic ecosystems. Consequently, some environmental variables and macroinvertebrates of Eme river were studied to...

Plastic pollution is ubiquitous throughout the world’s ecosystem. Increase in the world’s plastic production and use, inefficient recycling, indiscriminate disposal, synthetic nature and non- biodegradability of plastics have made it a...

Iyieke Lake is one of the floodplain lakes within the middle reaches of the Cross River, it is a major foraging and breeding site of several fish species. It is not directly connected to any river, so the water level depends on seasonal inundation...

The need to boost food productivity to meet the demands of the ever-increasing human population necessitates the frequent use of agrochemicals. Primextra Gold containing atrazine (329g/l) and S-metolachlor (400g/l) is commonly used in agriculture...

The mona monkey (Cercopithecus mona) is the major non-human primate adapted to swamp forests that characterizes Lagos State. It is useful in ecological services as seed disperser and reforestation. Efforts to legally conserve this species have bee...

Recent decrease in global malaria burden was achieved through vector control interventions with pyrethroid insecticides. This study was carried out to determine the influence of lambdacyhalothrin on the physiology and activities of some detoxifyin...

Avian species in relation to plant community can be used to determine the health status of the ecosystem. Habitat destruction can lead to extinction of many bird species as well as other plant communities. The study was conducted for three (3) mon...

Ecological systems change over time due to anthropogenic and natural activities, regular monitoring is therefore necessary for identifying malignant changes and conservation of biodiversity. This study was undertaken to ascertain the health and bi...

The use of myths and taboos in species conservation represent a sustainable in situ means to wildlife protection. This study examined the role of taboos (traditional laws) in wildlife conservation within Bayelsa-East Senatorial District....

Zooplankton play an important role in the faunal biodiversity of aquatic ecosystems as they assist in transferring algal energy to higher trophic levels through grazing and also eliminate harmful algae from water. The zooplankton and environmental...

The study focused on the bacteriological profile of four different smoke-dried fishes Clarias gariepinus (CG),Oreochromis niloticus (ON), Malapterurus electricus (ME), and Citharinus citharus (CC) sold at three...

The water quality and phytoplankton of Ufiobodo and Ebonyi River reservoirs were studied for nine months from March to November, 2019 to evaluate the suitability of the reservoirs for domestic water supply and habitat for aquatic organisms. Temper...

Aquatic systems in Nigeria have suffered stress induced by human activities which alter the natural composition of the water resources. This study investigated the diversity, distribution and abundance of fish species in Lake Asejire. The lake was...

Smoke-drying is a major way of processing catfish and this prompted the study of nutritional and socio-economic assessment of smoke-dried catfish in Makoko fish market in Lagos State, Nigeria. Standard methods were utilised for the analyses of pro...

The quality of smoke-dried fish can be enhanced by storing the products in good storage facilities. This research was carried out to determine the proximate composition, microbiological quality and sensory properties of smoke-dried Clarias gar...