Results 61 to 70 of about 1,946 (173)
Assessing limits of sustainable seed harvest in wild plant populations
Conservation Biology, Volume 39, Issue 5, October 2025.Abstract Seed harvesting from wild plant populations is key for ecological restoration, but it may threaten the persistence of the source populations. Consequently, several countries have set guidelines limiting the proportions of harvestable seeds. However, these guidelines are inconsistent and lack a solid empirical basis.
Anna Bucharova +3 more
wiley +1 more source
Ciência e Agrotecnologia, 2012 The microbial biomass and activity are biological indicators sensitive to environmental changes caused by agricultural use and can provide important information for the planning of adequate land use.
Patrícia Ribeiro Maia +4 more
doaj +1 more source
The Empty State: Governing the Voids in a Projected Conflict‐Torn Yemen
Politics &Policy, Volume 53, Issue 5, October 2025.ABSTRACT This study introduces the concept of the “Empty State” to explain a form of state dysfunction in Yemen, where state institutions exist but are stripped of their governance authority. While frameworks on fragile or failed states emphasize the weakness or collapse of state capacity, the Empty State highlights the persistence of symbolic ...
Moosa Elayah
wiley +1 more source
Botanical Sciences, 2010 Se estudió la demografía de nueve poblaciones de la epífita Tillandsia recurvata establecidas sobre Prosopis laevigata en la región de Tehuacán, Puebla, para evaluar si existía asincronía demográfica entre ellas, condición fundamental para la ...
Teresa Valverde, Rocío Bernal
doaj +1 more source
American Anthropologist, Volume 127, Issue 3, Page 566-580, September 2025.ABSTRACT This article explores the persistence of race in biological anthropology, particularly in the context of ancestry estimation using the Fordisc software. Despite efforts to move away from race‐based typologies since the mid‐20th century, historical notions of race continue to shape scientific methods and technologies in anthropology. By tracing
Iris Clever, Lisette Jong
wiley +1 more source
Persistência de Beauveria bassiana (BALS.) Vuillemin (Hyphomycetes) em solo tropical.
, 1987 Esse estudo objetiva avaliar a persistência de Beauveria bassiana, em função dos efeitos de temperatura, saturação de água e microorganismos no solo, em experimentos conduzidos no Centro Nacional de Pesquisa de Arroz e Feijão; a persistência desse fungo,
LORD, J. C. +3 more
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Produção e persistência de palhada por espécies de cobertura para a semeadura direta do algodoeiro. [PDF]
, 2016 Para o cultivo do algodoeiro no sistema de semeadura direta (SSD) deve haver na superfície do solo suficiente quantidade de palha de cobertura para o estabelecimento da cultura.
SANTOS, T. J. de S. +4 more
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, 2011 Control measures of Hedypathes betulinus are restricted to agricultural practices and hand picking of adult insects. No chemical control is allowed in yerba maté cultivation areas.
Pimentel, Ida Chapaval +4 more
core +2 more sources
Revista Brasileira de Fruticultura, 2011 O paclobutrazol é utilizado para o manejo da produção de manga na maioria dos pomares, com aplicação no solo, o que contribui para a maior persistência no ambiente.
Maria Aparecida do Carmo Mouco +2 more
doaj +1 more source
Effectiveness of Key Biodiversity Areas in representing global avian diversity
Conservation Biology, Volume 39, Issue 4, August 2025.Abstract Key Biodiversity Areas (KBAs) are the largest and most complete network of significant sites for the global persistence of biodiversity. Although important sites for birds worldwide have been relatively well assessed, a key question is how effectively the global KBA network represents avian diversity.
Tom P. Lansley +4 more
wiley +1 more source