Results 71 to 80 of about 997,066 (277)

A global assessment of animal community responses to agricultural management

open access: yesConservation Biology, EarlyView.
Abstract Transitions in agricultural management through crop and noncrop diversification on intensively managed croplands or pastures have benefited biodiversity. However, the extent to which agricultural management benefits species communities present in undisturbed ecosystems remains largely unclear.
Susana López Rodríguez   +3 more
wiley   +1 more source

Evaluación de la restauración de la diversidad fúngica en un área reforestada con Polylepis australis (Rosaceae): un estudio de caso

open access: yesEcología Austral, 2015
Los bosques de Polylepis australis han sido muy disturbados y la reforestación es una alternativa para restaurar esos ecosistemas. El objetivo del presente estudio es evaluar la restauración de la comunidad fúngica en un bosque de P.
Ana L. Gallo   +3 more
doaj   +1 more source

Ecological and functional effects of habitat conversion and seasons on fruit‐feeding butterfly assemblages in tropical dry forests Efeitos ecológicos e funcionais da conversão do habitat e da sazonalidade sobre assembleias de borboletas frugívoras em florestas tropicais secas

open access: yesEcological Entomology, EarlyView.
Land‐use change and seasonality shape the taxonomic, functional and phylogenetic diversity of fruit‐feeding butterflies in tropical dry forests. Pastures reduce phylogenetic diversity and increase wing fluctuating asymmetry, while taxonomic and functional diversity is greater in the wet season than in the dry season.
João Rafael S. Macêdo   +8 more
wiley   +1 more source

Richesse patrimoniale et culture [PDF]

open access: yes, 2015
Cette communication vise à analyser les changements dans les concepts de richesse, de patrimoine et de richesse patrimoniale, en cherchant finalement à comprendre lesmotivations qui conduisent les hommes à attaquer et détruire le patrimoine culturel ...
Giron, Loraine Slomp   +1 more
core  

Analizando la diversidad beta en ensambles de líquenes en un gradiente vertical sobre cinco especies de forófitos en la pluvisila montana de la Gran Piedra, Cuba [PDF]

open access: yes, 2016
El trabajo tiene como objetivo caracterizar el componente de la diversidad beta (reemplazo, riqueza de especies o anidamiento) que determina las disimilitudes entre los ensambles de líquenes en un gradiente vertical de altura, desde la base del árbol ...
Burgaz Moreno, Ana Rosa   +2 more
core   +2 more sources

Fragmentación de pastizales psamófilos por plantaciones de pinos: efectos sobre la riqueza y la composición vegetal

open access: yes, 2018
Las dunas litorales de la Pampa Austral se encuentran mejor conservadas que el resto de los pastizales pampeanos, pero igualmente presentan amenazas derivadas de actividades antropicas.
A. L. Yezzi, Ana Julia Nebbia, S. Zalba
semanticscholar   +1 more source

Índice de riqueza léxica en redacciones escritas por estudiantes universitarios

open access: yesKáñina, 2017
En este trabajo se analizará la riqueza léxica en los escritos académicos realizados por estudiantes universitarios. La motivación de dicho análisis surge a partir de las deficiencias léxicas detectadas en las composiciones de los alumnos en el ...
M. Madrigal, Ericka Vargas
semanticscholar   +1 more source

Tudor England and Stewart Scotland Through Spanish Eyes: A Complete Transcription and Translation of Pedro de Ayala's Letter of 1498 to King Ferdinand of Castile and Queen Isabella of Aragon

open access: yesRenaissance Studies, EarlyView.
Abstract Pedro de Ayala served as a diplomat for King Ferdinand II of Aragon and Queen Isabella I of Castile at the courts of Henry VII, King of England, and James IV, King of Scots. In July 1498, he wrote a letter, partly in cipher, to report to his king and queen on such matters as Spain's interests in international diplomacy; the characters and ...
Adrian William Jaime   +2 more
wiley   +1 more source

La riqueza de los pobres: Los microahorros [PDF]

open access: yes, 2012
People who do not have access to the financial system also saved. In this work we explain the most commonly used forms of savings who have no access to formal banking.
Chirino, José Boza   +1 more
core  

Grupos intermédios: identidade social, níveis de fortuna e padrões de consumo (Lisboa nos finais do Antigo Regime)

open access: yesRevista de História, 2016
A análise dos esquemas de representação e do vocabulário social em Portugal demonstrou que, nos finais do Antigo Regime, apesar de estranhas ao enquadramento normativo, a noção de mediania e as visões da sociedade que a incluem estavam difundidas.
Andreia Durães
doaj   +1 more source

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