Results 1 to 10 of about 827,626 (156)

Analysis of Bee Population Decline in Lombardy during the Period 2014–2016 and Identification of High-Risk Areas [PDF]

open access: yesPathogens, 2021
The first events of bee decline in Italy were reported during 1999. Since then, population decline has frequently been reported in Lombardy. In this study, the association between bee decline and the type of land surrounding the apiary was evaluated.
Veronica Cappa   +6 more
doaj   +2 more sources

The Role of Mosques in Preventing Population Decline [PDF]

open access: yesاسلام و مطالعات اجتماعی, 2021
The mosque and the role of the people of the mosque in guiding social activists in increasing the generation of believers is very important. Guiding the people towards the survival and increase of the pure generation will take place in the mosques.
سید میر صالح حسینی جبلی
doaj   +1 more source

POPULATIONS AS DETERMINANT OF LATVIA’S SECURITY [PDF]

open access: yesRevista Română de Geografie Politică, 2021
The conducted analysis aims to indicate the real threat of the depopulation process to Latvia's national security. The aim of the analysis is to examine the pace of changes, to indicate their main determinants and potential effects.
Jan A. WENDT
doaj   +1 more source

Threats and Vulnerabilities for the Globally Distributed Olive Ridley (Lepidochelys olivacea) Sea Turtle: A Historical and Current Status Evaluation

open access: yesAnimals, 2022
The olive ridley (Lepidochelys olivacea) is the most abundant of all seven sea turtles, found across the tropical regions of the Atlantic, Pacific, and Indian Oceans in over 80 different countries all around the globe.
Lenin Cáceres-Farias   +4 more
doaj   +1 more source

Dramatic decline of northern bat Eptesicus nilssonii in Sweden over 30 years [PDF]

open access: yesRoyal Society Open Science, 2020
We monitored northern bat Eptesicus nilssonii (Keyserling & Blasius, 1839) acoustically along a 27 km road transect at weekly intervals in 1988, 1989 and 1990, and again in 2016 and 2017.
Jens Rydell   +3 more
doaj   +1 more source

An adaptable but threatened big cat: density, diet and prey selection of the Indochinese leopard (Panthera pardus delacouri) in eastern Cambodia [PDF]

open access: yesRoyal Society Open Science, 2018
We studied the Indochinese leopard (Panthera pardus delacouri) in eastern Cambodia, in one of the few potentially remaining viable populations in Southeast Asia.
Susana Rostro-García   +8 more
doaj   +1 more source

Mammal and bird species ranges overlap with armed conflicts and associated conservation threats

open access: yesConservation Letters, 2021
Armed conflicts are a pervasive global threat, but their implications for wildlife conservation remain unclear. Using a 30‐year spatial dataset of armed conflicts in conjunction with species range maps, we found that conflicts during 1989–2018 occurred ...
Uttara Mendiratta   +3 more
doaj   +1 more source

Historical surveys reveal a long‐term decline in muskrat populations

open access: yesEcology and Evolution, 2021
The muskrat (Ondatra zibethicus) is an iconic species in Canada, valued for both its fur and its integral role in wetland ecosystems, and widely regarded for its perseverance. However, the resilience of this semiaquatic mammal seems to be in question now
Carrie Sadowski, Jeff Bowman
doaj   +1 more source

Microflora Influence: The Aquatic Environment Changes Grouping Risk and Development Speed of Toad Tadpoles

open access: yesFrontiers in Ecology and Evolution, 2022
In addition to habitat loss and fragmentation, behavioral traits and the deterioration of water environments also contribute to the local extinction of amphibians.
Kazuko Hase, Kazuko Hase
doaj   +1 more source

The development of internal migration flow patterns in Japan

open access: yesRegional Studies, Regional Science, 2022
Population decline is expected to continue to be a prominent feature of Japanese demography in future decades. Internal migration plays a significant role in dictating the intensity of population decline at the regional level.
Kaoru Kakinuma, Guy J. Abel
doaj   +1 more source

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