Results 31 to 40 of about 857,131 (297)

Over-summering as a risk effect reducing population growth in a long-distance migrant shorebird

Avian Conservation and Ecology
That anti-predator behavior can have large demographic consequences (called risk effects) is theoretically well-founded and experimentally supported. Here we investigate whether this mechanism could be contributing to population declines reported over ...
Ronald C Ydenberg, Lia Hemerik
doaj   +1 more source

Russia Faces Depopulation? Dynamics of Population Decline [PDF]

, 2002
Between 1992 and 1993 Russia's population declined, as it has in every succeeding year. This has been viewed as a population disaster, related to high adult male mortality and deterioration of the health care system.
Anderson, Barbara A., Barbara A. Anderson   +1 more
core   +1 more source

Both external and internal factors as an explanation of depopulation of cities on the area of Poland

Environmental & Socio-economic Studies, 2014
The aim of this paper is an attempt of explanation basic factors of depopulation in case of cities in Poland in the 20st and in the beginning of 21st century. Author takes into consideration only large urban centers with population more than 50 thousands
Kantor-Pietraga Iwona
doaj   +1 more source

The Hollowing Process of Rural Communities in China: Considering the Regional Characteristic

Land, 2021
This study examined the hollowing process of rural communities, which is caused by migration, and explored its influence factors based on Hierarchical Linear Model (HLM) analysis in an attempt to explore effect of regional characteristic.
Ying Liu, Liqiong Shu, Li Peng
doaj   +1 more source

Therapeutic Apheresis in Nigeria: A Multi‐Center Summary of Abstracts From the Inaugural Nigerian Society for Apheresis Scientific Meeting

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Therapeutic apheresis (TA) is an established treatment modality for hematologic, neurologic, and immunologic disorders, yet access remains severely limited in sub‐Saharan Africa. Donor apheresis, including platelet apheresis collection from healthy donors, represents an important complementary modality supporting blood product ...
Nosa Bazuaye, Chimezie Okwuonu, Evelyn Idam, Folasade Adelekan‐Popoola, Shakirat Gold‐Olufadi, Olufunto Olufela Kalejaiye, Abdullateef Ogala, Zinnah Aloziem, Blossom Amamchukwu, Patience Elimia, Mkpoikanabasi Obot‐Obot, Henry Mbakwe, Praises Maduagwuna, Olatunji Akinrodoye, Chiamaka Anyanwu, Benjamin Anyanwu, Adedamola Akinsiku, Oluwatoyin A. Akinsiku, Muzamil O. Hassan, Fatiu A. Arogundade, Olalekan E. Ojo, Homayemem Weli, Jesupelumi Adenihun, Aderemi Adelaja, Ebun Bamgboye, Olalekan Olatise, Ade E. Faponle, Ayoola Odeyemi, Michael Muoka, Stephen Asaolu, Qudrat Busari, Blessing Dawudu, Michael Naiyeju, Rasheed A. Balogun   +33 more
wiley   +1 more source

Spatial and Temporal Dynamics of Birch Populations in Residential Areas of St. Petersburg, Russia, from 2002 to 2022

Earth
Trees play a vital role in urban landscapes, yet long-term dynamics in tree populations across different levels of urbanization remain poorly understood.
Mikhail V. Kozlov, Elena Valdés-Correcher, Vitali Zverev   +2 more
doaj   +1 more source

The demographic problems of the Baltic cities: general trends [PDF]

Baltic Region, 2010
This article discusses the trends of demographic development of the Baltic Sea region's cities. It analyses the factors affecting the urban population dynamics in the second half of the 20th — the beginning of the 21st centuries.
Kosov Yuri, Mikheeva Natalia
doaj   +1 more source

An Overview of Population Dynamics in Romanian Carpathians (1912–2021): Factors, Spatial Patterns and Urban–Rural Disparities

Land, 2023
Our paper aims to analyze the tendencies of population dynamics in the area of the Romanian Carpathians, as well as the factors and spatial processes that can explain the disparities, discontinuities and tensions of demographic evolution.
Ionel Muntele, Marinela Istrate, Haralambie Athes, Alexandru Bănică   +3 more
doaj   +1 more source

Serum Myonectin Levels Are Positively Associated With Physical Function and Lower Frailty‐Related Limitation in Maintenance Hemodialysis Patients: A Cross‐Sectional Study

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Maintenance hemodialysis (MHD) patients frequently suffer from frailty, characterized by reduced physical function and poor prognosis. Myokines, such as myonectin, secreted by muscle, are emerging regulators of systemic health. This study investigated the relationship between serum myonectin, adipokines (adiponectin, omentin), and ...
Kenichi Kono, Yoshifumi Moriyama, Koji Ohashi, Naoya Otaka, Minako Tatsumi, Toyoaki Murohara, Noriyuki Ouchi, Satoru Oshima   +7 more
wiley   +1 more source

Jaguar Panthera onca population decline in the Upper Paraná Atlantic Forest of Argentina and Brazil [PDF]

, 2008
The Green Corridor of Argentina and Brazil is the largest forest remnant of the Upper Paraná Atlantic Forest. The jaguar population of this region is highly fragmented and reduced.
Carlos Daniel De Angelo, Di Blanco, Yamil Edgardo, Mario Santiago Di Bitetti, de Angelo, Carlos Daniel, Di Bitetti, Mario Santiago, Yamil Edgardo Di Blanco, Agustín Paviolo, Paviolo, Agustin Javier   +7 more
core   +1 more source