Results 11 to 20 of about 108,316 (262)

On the relative importance of resource availability and habitat connectivity as drivers of soil biodiversity in Mediterranean ecosystems

open access: yesJournal of Ecology, Volume 111, Issue 7, Page 1455-1467, July 2023., 2023
The authors provide a comprehensive assessment of the response of key members of the soil food web to habitat fragmentation and tree die‐off (landscape level plant–soil interactions), illustrating the major role of soil carbon, habitat connectivity, and tree die‐off in driving soil biodiversity and trophic structure.
Paula Lopezosa   +8 more
wiley   +1 more source

Uneven geographies: ageing and population dynamics in Latvia

open access: yesRegional Science Policy &Practice, Volume 15, Issue 4, Page 893-908, May 2023., 2023
Abstract The twin phenomena of ageing populations and declining populations are profoundly transforming societies and economies in Europe. Driven by decreasing fertility rates and the continuing increased life expectancy, populations have not been ageing uniformly across time and space.
Zaiga Krisjane   +4 more
wiley   +1 more source

Congenital anomaly and perinatal outcome following blastocyst‐ vs cleavage‐stage embryo transfer: systematic review and network meta‐analysis

open access: yesUltrasound in Obstetrics &Gynecology, Volume 61, Issue 1, Page 12-25, January 2023., 2023
ABSTRACT Objectives To compare the reported rate of any congenital anomaly and perinatal outcome of pregnancy following blastocyst‐ vs cleavage‐stage embryo transfer using a pairwise meta‐analysis and to evaluate the same outcomes following fresh‐blastocyst, frozen‐blastocyst, fresh‐cleavage or frozen‐cleavage embryo transfer using a network meta ...
C. Siristatidis   +6 more
wiley   +1 more source

The observed pattern and hidden process of female reproductive trajectories across the life span in a non‐human primate

open access: yesJournal of Animal Ecology, Volume 90, Issue 12, Page 2901-2914, December 2021., 2021
With a diminishing number of individuals with age, studying the pattern of reproductive ageing has been difficult especially in long‐lived species. The authors characterize the entire reproductive trajectory from 673 free‐ranging female rhesus macaques of Cayo Santiago, and provide clear evidence for both reproductive senescence and age‐independent ...
D. Susie Lee   +3 more
wiley   +1 more source

Commodity risk assessment of Ficus carica plants from Israel

open access: yesEFSA Journal, Volume 19, Issue 1, January 2021., 2021
Abstract The European Commission requested the EFSA Panel on Plant Health to prepare and deliver risk assessments for commodities listed in Commission Implementing Regulation (EU) 2018/2019 as ‘High risk plants, plant products and other objects’. This Scientific Opinion covers the plant health risks posed by the following commodities: i) dormant and ...
EFSA Panel on Plant Health (PLH)   +23 more
wiley   +1 more source

Caracterização da matéria orgânica do solo em fragmentos de mata atlântica e em plantios abandonados de eucalipto Quality of soil organic matter in fragments of atlantic forest and abandoned eucalyptus plantations

open access: yesRevista Brasileira de Ciência do Solo, 2007
A compreensão da dinâmica da matéria orgânica (MO) nos ecossistemas de Mata Atlântica é necessária para o manejo eficiente e conservação de vegetações nativas.
Cristiana do Couto Miranda   +2 more
doaj   +1 more source

Influência da idade da fêmea na performance reprodutiva e longevidade de Argyrotaenia sphaleropa (Lepidoptera, Tortricidae) Female age effect on reproductive performance and longevity of Argyrotaenia sphaleropa (Lepidoptera, Tortricidae)

open access: yesIheringia: Série Zoologia, 2005
Argyrotaenia sphaleropa (Meyrick, 1909) é uma praga generalista de fruteiras na América do Sul. A influência da idade da fêmea na performance reprodutiva e longevidade foi investigada sob condições laboratoriais.
Ângelo P. Pinto   +2 more
doaj   +1 more source

Influência da dificuldade de inseminação, temperamento e cortisol plasmático sobre a taxa de concepção de vacas e novilhas da raça Nelore inseminadas em tempo fixo [PDF]

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2019
RESUMO O objetivo do presente experimento foi avaliar efeito do estresse e da dificuldade de inseminação (DifIA) sobre a taxa de concepção (TC) de vacas (n=93) e novilhas (n= 72) Nelore submetidas à IATF.
L.Z. Oliveira   +8 more
doaj   +1 more source

Avaliação do estado nutricional de agroecossistemas de café orgânico no estado de Minas Gerais. [PDF]

open access: yes, 2003
A produção de café orgânico vem se constituindo uma tendência necessária e irreversível do agronegócio brasileiro. Essa atividade tem-se destacado como uma alternativa de renda para alguns cafeicultores, devido à crescente demanda mundial por alimentos ...
BERGMANN W   +18 more
core   +3 more sources

Cáncer y fertilidad

open access: yesArbor, 2015
Los cambios sociológicos de las últimas décadas han llevado a que el inicio de la maternidad se retrase de forma considerable. Por otra parte, el diagnóstico temprano de algunos cánceres como el de mama o el de cérvix y el progreso en los tratamientos oncológicos han conseguido tasas de curación muy favorables.
Begoña Bermejo   +2 more
openaire   +3 more sources

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