Population density
View article: A 100-year Projection of Population Aging in Iran Through the Decomposition of Population Momentum
A 100-year Projection of Population Aging in Iran Through the Decomposition of Population Momentum Open
Objectives In Iran, population aging is likely to continue with an increase in the number of older people in the upcoming decades. This study aims to provide a 100-year projection of Iran’s aging population by decomposing population moment…
View article: Wheat-Bean mixed cropping trials under organic management from 2015 to 2018
Wheat-Bean mixed cropping trials under organic management from 2015 to 2018 Open
This database originates from field trials conducted between 2015 and 2018 by CREABIO at the La Hourre experimental site (southwestern France) and was compiled by ITAB. The aim of these trials is to investigate the impact of different vari…
View article: Turfgrass cover influences the abundance of beneficial arthropods in sod farms
Turfgrass cover influences the abundance of beneficial arthropods in sod farms Open
View article: Do isolated trees affect tadpole community and secondary production in ponds in an impacted biodiversity hotspot?
Do isolated trees affect tadpole community and secondary production in ponds in an impacted biodiversity hotspot? Open
This dataset contains information collected during an experiment conducted in 2021-2022 in the Atlantic Forest, Cachoeiras de Macacu, RJ, Brazil. The data include metrics of secondary production, biomass, and tadpole community density unde…
View article: Entomological surveillance for bluetongue virus in Poland: late-season activity and abundance of <i>Culicoides</i> vectors in 2024
Entomological surveillance for bluetongue virus in Poland: late-season activity and abundance of <i>Culicoides</i> vectors in 2024 Open
Introduction This study focused on the seasonal activity and species diversity of Culicoides biting midges collected from 11 locations along the western border of Poland and major livestock transit routes, and included screening for blueto…
View article: Conservation significance of Yelakundli Sacred Grove: a relic population of the endemic dipterocarp <Vateria indica> L.
Conservation significance of Yelakundli Sacred Grove: a relic population of the endemic dipterocarp L. Open
Yelakundli Sacred Grove, a 4 ha evergreen forest patch in Shivamogga District, Karnataka State, India, harbours a rare and exceptionally large population of the endemic dipterocarp tree Vateria indica. A single transect revealed 122 mature…
View article: Seedling Density as a Key Determinant of Topsoil Organic Carbon and CNP Stoichiometry in Intertidal Mangrove Ecosystems: Insights from Avicennia marina Stands
Seedling Density as a Key Determinant of Topsoil Organic Carbon and CNP Stoichiometry in Intertidal Mangrove Ecosystems: Insights from Avicennia marina Stands Open
Background and Aims Mangrove ecosystems are vital "blue carbon" sinks, yet their degradation threatens global carbon sequestration efforts. While forest structure influences carbon storage, the role of specific life-history stages, particu…
View article: Effect of a Marking Pheromone and Population Density on Ladybird Larval Development
Effect of a Marking Pheromone and Population Density on Ladybird Larval Development Open
Females of predaceous ladybirds use sensing chemicals in larval tracks as oviposition deterring pheromone to avoid cannibalism of eggs. We hypothesized that larvae would also respond to the presence of conspecific tracks by slowing their d…
View article: Identification of Potential Vectors and Species Density of Tsetse Fly, Prevalence, and Genetic Diversity of Drug-Resistant Trypanosomes in Kenya
Identification of Potential Vectors and Species Density of Tsetse Fly, Prevalence, and Genetic Diversity of Drug-Resistant Trypanosomes in Kenya Open
Tsetse flies are major vectors of trypanosomes in Sub-Saharan Africa, posing risks to livestock and human health. This study investigated the diversity, distribution, and infection rates of tsetse species, as well as the genetic diversity …
View article: Supplementary Figure 1 from Changes in Geographic Variation and Socioeconomic Inequalities in Esophageal Cancer Mortality in China, 1973–2017
Supplementary Figure 1 from Changes in Geographic Variation and Socioeconomic Inequalities in Esophageal Cancer Mortality in China, 1973–2017 Open
Supplementary Figure 1 shows the geographic distribution and population coverage of 782 counties included in final analyses, along with the population density of China.
View article: Power and precision of invasive carp ichthyoplankton sampling along an invasion front
Power and precision of invasive carp ichthyoplankton sampling along an invasion front Open
Objective Detecting changes in the abundance of invasive fish species is valuable for assessing population trends and creating management plans. Although many programs focus on adult relative abundance to estimate population dynamics, asse…
View article: A preliminary assessment of avifaunal diversity in Parwati Arga Bird Sanctuary, Uttar Pradesh, India
A preliminary assessment of avifaunal diversity in Parwati Arga Bird Sanctuary, Uttar Pradesh, India Open
Birds are important for the proper functioning of an ecosystem. In this study, the avifaunal diversity of the Important Bird and Biodiversity Area, Parwati Arga Bird Sanctuary situated in Gonda District, Uttar Pradesh was assessed using po…
View article: Census and cultural coexistence: Tracking macaque density and behavior in a ritual forest habitat in Central Java Indonesia
Census and cultural coexistence: Tracking macaque density and behavior in a ritual forest habitat in Central Java Indonesia Open
Long-tailed macaques are an interesting model for ethnoprimatological study of synanthropic populations occupying human–impacted and culturally meaningful ecosystems at the wildlife–society interface. This study evaluated the population ec…
View article: Spatial Distribution, Abundance and Threats to the Indian Pangolin (Manis crassicaudata) in Buner District, Himalayas.
Spatial Distribution, Abundance and Threats to the Indian Pangolin (Manis crassicaudata) in Buner District, Himalayas. Open
View article: Comparative Assessment of Soil-Borne Potato Nematodes Across Agro-Ecological Zones and their Implications for Crop Management
Comparative Assessment of Soil-Borne Potato Nematodes Across Agro-Ecological Zones and their Implications for Crop Management Open
Potato (Solanum tuberosum L.) is one of the major cash and food crops of Bihar and plays a significant role in the economy of Vaishali district. However, potato production in the region is frequently hampered by soil-borne plant-parasitic …
View article: Comparative Assessment of Soil-Borne Potato Nematodes Across Agro-Ecological Zones and their Implications for Crop Management
Comparative Assessment of Soil-Borne Potato Nematodes Across Agro-Ecological Zones and their Implications for Crop Management Open
Potato (Solanum tuberosum L.) is one of the major cash and food crops of Bihar and plays a significant role in the economy of Vaishali district. However, potato production in the region is frequently hampered by soil-borne plant-parasitic …
View article: Detectability and exposure of Pacific crown-of-thorns starfish (Acanthaster cf. solaris) during emerging population irruptions in the northern Great Barrier Reef, Australia
Detectability and exposure of Pacific crown-of-thorns starfish (Acanthaster cf. solaris) during emerging population irruptions in the northern Great Barrier Reef, Australia Open
Limited detectability of crown-of-thorns starfish (CoTS) undermines the capacity to survey and manage population irruptions, though few studies have considered the factors that influence detectability. This study explores spatiotemporal va…
View article: Diversity of Soil Microarthropods in Different Agricultural Settlements with their Ecological Perspectives
Diversity of Soil Microarthropods in Different Agricultural Settlements with their Ecological Perspectives Open
Soil biological communities are influenced by multiple factors like edaphic factors, environmental variables, soil nutrient availability and anthropogenic changes, including urban development and agricultural practices. Therefore, we clari…
View article: Abundance, occupancy and habitat data recordings for Coqui Llaneros near Caño Tiburones; Arrecibo, Puerto Rico
Abundance, occupancy and habitat data recordings for Coqui Llaneros near Caño Tiburones; Arrecibo, Puerto Rico Open
The Coquí Llanero (Eleutherodactylus juanariveroi) is one of twelve remaining species of Eleutherodactylus frogs endemic to Puerto Rico. They are known only from three isolated populations separated from each other by ~30 km: Caño Tiburone…
View article: Breeding ecology and distribution of culex mosquitoes in Minna, Nigeria: Implications for vector control
Breeding ecology and distribution of culex mosquitoes in Minna, Nigeria: Implications for vector control Open
The ecological characteristics of mosquito breeding sites are a fundamental determinant of population dynamics and, consequently, the transmission potential of mosquito-borne diseases. To elucidate the local factors driving vector prolifer…
View article: Invasive fishes interact with temperature to reshape community size structure across climatic zones
Invasive fishes interact with temperature to reshape community size structure across climatic zones Open
The body size spectrum (or individual size distribution) is a simple yet widely recognized approach that links individual and population traits to community structure and ecosystem functions, making it a valuable indicator of anthropogenic…
View article: Integrating small mammal personality and population abundance into forest regeneration predictions for a managed, mixed species forest in Maine, USA
Integrating small mammal personality and population abundance into forest regeneration predictions for a managed, mixed species forest in Maine, USA Open
View article: Overwintering population of the rice stink bug Niphe elongata (Hemiptera: Pentatomidae) on mondo grass, Ophiopogon japonicus
Overwintering population of the rice stink bug Niphe elongata (Hemiptera: Pentatomidae) on mondo grass, Ophiopogon japonicus Open
The rice stink bug Niphe elongata (Dallas) (Hemiptera: Pentatomidae) is a serious pest of rice in central and western Japan, causing grain sterility and grain surface discoloration. Effective management of this pest requires knowledge of i…
View article: Habitat characteristics that favour the presence of Aedes aegypti (Diptera: Culicidae) in households in the city of Córdoba, a temperate area of Argentina
Habitat characteristics that favour the presence of Aedes aegypti (Diptera: Culicidae) in households in the city of Córdoba, a temperate area of Argentina Open
Background Aedes aegypti is the vector of dengue fever and chikungunya in the city of Córdoba, Argentina, a city situated at the southern limit of disease transmission by the vector in a temperate area. This study aims to characterise the …
View article: Stage-specific regression equations between temperature and prosome length of <i>Calanus sinicus</i> copepodids and adults to estimate their seasonal population biomass
Stage-specific regression equations between temperature and prosome length of <i>Calanus sinicus</i> copepodids and adults to estimate their seasonal population biomass Open
View article: NESP TWQ Project 3.2 - Improving historical estimates of abundance and distribution of dugongs and large green turtles in western and central Torres Strait, 2015-2016 (JCU)
NESP TWQ Project 3.2 - Improving historical estimates of abundance and distribution of dugongs and large green turtles in western and central Torres Strait, 2015-2016 (JCU) Open
This project will improve the accuracy of aerial survey estimates of the size and distribution of dugong and green turtle populations in western and central Torres Strait by: (1) collecting and analysing data on their movements and diving …
View article: Hotspots of Infection: Spatial Analysis of Rat Populations and Leptospira sp. in South Sulawesi
Hotspots of Infection: Spatial Analysis of Rat Populations and Leptospira sp. in South Sulawesi Open
Leptospirosis is a zoonotic disease caused by the bacterium Leptospira sp., primarily transmitted through the urine of infected rodents. The objective of this research is to analyze the spatial distribution of rat populations and to detect…
View article: Vital But Vulnerable: The Population Structure of <i>Macaca maura</i> in Bantimurung Bulusaraung National Park, South Sulawesi
Vital But Vulnerable: The Population Structure of <i>Macaca maura</i> in Bantimurung Bulusaraung National Park, South Sulawesi Open
Macaca maura is an endemic primate of South Sulawesi, currently listed as Endangered due to habitat fragmentation and increasing anthropogenic pressure. This study aims to analyze the population density, age structure, spatial distribution…
View article: Predation Response of Macrolophus caliginosus Wagner (Hemiptera: Heteroptera: Miridae) Across Multiple Prey Density Levels of Aphis craccivora Under Fixed Temperature Conditions
Predation Response of Macrolophus caliginosus Wagner (Hemiptera: Heteroptera: Miridae) Across Multiple Prey Density Levels of Aphis craccivora Under Fixed Temperature Conditions Open
Macrolophus caliginosus Wagner (Hemiptera: Heteroptera: Miridae), a predatory bug widely used in biological control against whiteflies and spider mites, also shows strong efficiency on aphids, with females consuming on average ~43.2 first-…
View article: A silver spoon effect reduces lifetime fitness in a declining loon population
A silver spoon effect reduces lifetime fitness in a declining loon population Open
A complete understanding of factors that influence animal fitness requires that we measure not only those occurring day to day in the life of an animal but also those that operate on longer time scales. Here, we investigated silver spoon e…