Results 11 to 20 of about 1,468,044 (280)

The Influence of Distance Between Oil Palm Plantations and Forest Ecosystems on Spider Diversity

open access: yesJournal of Applied Agricultural Science and Technology, 2023
Forest conversion to oil palm plantations forms a unique agroecosystem. Forests known as a source of biodiversity are bordered by oil palm plantations with low diversity.
Ulka Sri Asih   +2 more
doaj   +1 more source

Demography and spatial distribution of a threatened species from the Atlantic Forest in southern Brazil: differences between urban and rural remnants [PDF]

open access: yesBrazilian Journal of Biology, 2023
Logging and agricultural exploitation have led to the degradation of Araucaria Forest remnants and the alteration of its last preserved patches. This forest typology contains many endangered plant species, as is the case of the tree Oreopanax fulvus ...
M. B. Pinto   +6 more
doaj   +1 more source

Species diversity of parasitoid wasps of Encyrtidae and Pteromalidae (Hymenoptera: Chalcidoidea) in south counties of Kerman province, Iran [PDF]

open access: yesنامه انجمن حشره‌شناسی ایران, 2022
In the present study, species diversity of Encyrtidae and Pteromalidae (Hymenoptera: Chalcidoidea) parasitoid wasps were investigated in southern counties of Kerman province.
Mahla Shojaey   +3 more
doaj   +1 more source

Keanekaragaman laba-laba pada perkebunan kelapa sawit yang berbatasan dengan hutan

open access: yesJurnal Entomologi Indonesia, 2021
Oil palm plantations bordering forests were thought to affect the biotic components that make up the diversity of ecosystems, especially species with high mobilization and adaptability, such as spiders.
Ulka Sri Asih   +2 more
doaj   +1 more source

Zoning of the Territory of the Republic of Kazakhstan by the Degree of Intensity of the Epizootic Situation on Plague in Camels

open access: yesПроблемы особо опасных инфекций, 2022
The aim of the study was to improve epizootiological monitoring and increase the effectiveness of preventive (anti-epidemic) measures for camel plague control in Kazakhstan.Materials and methods.
B. Z. Abdeliyev   +17 more
doaj   +1 more source

Species diversity of parasitic flies of family Tachinidae (Diptera) in some habitats of Mazandaran province [PDF]

open access: yesنامه انجمن حشره‌شناسی ایران, 2023
In the present study, the relative abundance and species diversity indices of family Tachinidae were evaluated based on continuous and regular sampling using Malaise traps in seven regions of Mazandaran province during 2011.
Farnaz Seyyedi-Sahebari   +1 more
doaj   +1 more source

Effects of long-term nitrogen addition on the δ15N and δ13C of Larix gmelinii and soil in a boreal forest

open access: yesEcological Processes, 2022
Background Natural abundance of carbon (C) and nitrogen (N) stable isotope ratios (δ13C and δ15N) has been used to indicate the state and cycle of ecosystem C and N.
Guancheng Liu   +6 more
doaj   +1 more source

Nitrogen Gain and Loss Along an Ecosystem Sequence: From Semi-desert to Rainforest

open access: yesFrontiers in Soil Science, 2022
Plants and microorganisms, besides the climate, drive nitrogen (N) cycling in ecosystems. Our objective was to investigate N losses and N acquisition strategies along a unique ecosystem-sequence (ecosequence) ranging from arid shrubland through ...
Khaled Abdallah   +22 more
doaj   +1 more source

Similarity of ant communities increases with isolation from natural habitat and abundance of invasive ants in oil palm plantations of Central Borneo

open access: yesGlobal Ecology and Conservation, 2021
Natural habitats can support insect diversity and shape their community structure in agroecosystems. The objective of this research was to investigate how proximity of natural habitat and invasive ant species influences the community structure of ants in
Akhmad Rizali   +3 more
doaj   +1 more source

Natural Resources: How to Measure Them in ‘Resource Curse’ Studies [PDF]

open access: yesProstranstvennaâ Èkonomika, 2018
The hypothesis of a ‘resource curse’ is one of the most engaging puzzles of economic science. Many scientific works are devoted to explaining and testing this phenomenon. However, the results of said attempts are controversial. There are both conclusions
Olga Gennadyevna Vasilyeva
doaj   +1 more source

Home - About - Disclaimer - Privacy