Results 11 to 20 of about 62 (60)

BioTIME: A database of biodiversity time series for the Anthropocene

open access: yesGlobal Ecology and Biogeography, Volume 27, Issue 7, Page 760-786, July 2018., 2018
Abstract Motivation The BioTIME database contains raw data on species identities and abundances in ecological assemblages through time. These data enable users to calculate temporal trends in biodiversity within and amongst assemblages using a broad range of metrics.
Maria Dornelas   +270 more
wiley   +1 more source

Nuevos registros con notas ecológicas y taxonómicas de esponjas dulceacuícolas (Porifera, Spongillidae) en la cuenca del Duero

open access: yesGraellsia, 2015
El trabajo supone la primera contribución al conocimiento ibérico de las esponjas de agua dulce (Porifera, Demospongiae, Spongillidae) en la cuenca del Duero.
Javier Morales, Ana Isabel Negro
doaj   +1 more source

Las lagunas de alta montaña

open access: yesCuadernos de Geografía: Revista Colombiana de Geografía, 1998
En el presente artículo se exponen los resultados de la investigación acerca del sistema lagunar de la alta montaña andina colombiana, su génesis, distribución, densidad, características morfodinámicas y la importancia sociocultural. La conceptualización
Antonio Florez, Katherine Rios
doaj   +2 more sources

Biodiversidad de las lagunas del Parque Nacional Natural Puracé: Composición taxonómica y estados de conservación

open access: yesActa Biológica Colombiana
Las lagunas de alta montaña del Parque Nacional Natural Puracé (PNN) en Colombia representan ecosistemas únicos con gran importancia ecológica y cultural, pero están amenazadas por actividades humanas y cambios ambientales.
Nicole Estefania Ibagon Escobar   +9 more
doaj   +1 more source

Phylogenetic analysis and the recognition of a new genus for Mexican Crassulaceae segregated from Echeveria

open access: yesTAXON, Volume 75, Issue 3, June 2026.
Abstract Systematic knowledge of the Mexican Crassulaceae is slowly progressing as data from new DNA regions and species sampling efforts increase. We compiled and generated new rbcL, matK, rps16, ITS/ITS2, and ETS DNA sequences and performed an updated phylogenetic reconstruction for a group of 131 Mexican Crassulaceae terminals from 11 of the 13 ...
Luis Emilio de la Cruz‐López   +1 more
wiley   +1 more source

A Millennium of Coastside Occupation. Micromorphological Insights From the Indigenous Site of Las Estacas Cave, Tenerife

open access: yesGeoarchaeology, Volume 41, Issue 3, May/June 2026.
ABSTRACT The archaeological site of Las Estacas Cave (NW Tenerife, Canary Islands) preserves some of the earliest human occupations in Tenerife, dating to the 2nd century CE, spanning the entire pre‐European time range up to the 15th century. Using soil micromorphology, this study applies a geoarchaeological approach to reconstruct site formation ...
Pedro García‐Villa   +2 more
wiley   +1 more source

‘Sowing and harvesting water’: Revisiting forest restoration in the Peruvian Andes through a multi‐stakeholder analysis

open access: yesPeople and Nature, Volume 7, Issue 3, Page 631-652, March 2025.
Abstract Efforts to restore Peru's megadiverse Andean Forests are rapidly growing. While ecological determinants for restoration success are well known, knowledge on the socio‐economic and governance conditions that allow for the success of ecological restoration using native species is scarce.
Tina Christmann   +15 more
wiley   +1 more source

A new plant genus and species from south‐eastern Spain: Castrila latens (Rubieae, Rubiaceae)

open access: yesTAXON, Volume 73, Issue 4, Page 1001-1015, August 2024.
Abstract A new genus and species, Castrila latens, native to the south‐eastern Iberian Peninsula, is described here for the first time and compared with its closest relatives. The plant is characterized by being annual, glabrous, having reduplicate leaves in whorls of (5)6–7, inflorescences capitate and involucrate, corolla shortly hypocrateriform and ...
Gabriel Blanca   +6 more
wiley   +1 more source

Abstract Book: 25th Congress of the European Hematology Association Virtual Edition, 2020

open access: yes, 2020
HemaSphere, Volume 4, Issue S1, Page 1-1168, June 2020.
wiley   +1 more source

Impactos del cambio climático en la estabilidad y resiliencia de los humedales del páramo

open access: yesSiembra
El páramo andino, un ecosistema alpino tropical situado entre la línea de árboles y la línea de nieve, contiene la mayor superficie mundial de turberas tropicales de montaña. Tiene una estación húmeda durante todo el año que sustenta las turberas dentro
Randy Kolka
doaj   +1 more source

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