Results 31 to 40 of about 50,156 (270)

Effects of a large irrigation reservoir on aquatic and riparian plants: a history of survival and loss [PDF]

open access: yes, 2019
Dammed rivers have unnatural stream flows, disrupted sediment dynamics, and rearranged geomorphologic settings. Consequently, fluvial biota experiences disturbed functioning in the novel ecosystems.
Aguiar, Francisca C.   +3 more
core   +1 more source

Post-fire effects on bryophytes in High-Altitude Fields

open access: yesActa Botânica Brasílica, 2022
High-Altitude Fields are ecosystems with high bryophyte abundances and diversities. One of the principal threats to these ecosystems are wildfires, which mainly affect terricolous species. Chronosequence studies can aid in understanding post-fire effects
Mayara Bernardino Wienskoski   +1 more
doaj   +1 more source

A phytosociological survey of the boreal forest (Vaccinio-Piceetea) in North America [PDF]

open access: yes, 1998
A survey of syntaxa of vegetation of North American boreal forests (class Vaccinio-Piceetea) is presented. This phytosociological survey, carried out combining the Braun-Blanquet method with numerical syntaxonomical analyses (cluster and correspondence
Aguirre, J.L.   +2 more
core   +2 more sources

Sustainable intensification? Increased production diminishes omega-3 content of sheep milk [PDF]

open access: yes, 2020
Intensifying agricultural production alters food composition, but this is often ignored when assessing system sustainability, yet it could compromise consumers’ health and the concept of ‘sustainable diets’.
Atsali, I.   +10 more
core   +1 more source

Distribution, habitat preferences and population sizes of two threatened tree ferns, Cyathea cunninghamii and Cyathea x marcescens, in south-eastern Australia [PDF]

open access: yes, 2013
The distribution, population sizes and habitat preferences of the rare tree ferns Cyathea cunninghamii Hook.f. (Slender Tree Fern) and F1 hybrid Cyathea x marcescens N.A.Wakef.
Brownsey, Patrick   +3 more
core   +1 more source

The effect of elevation on species richness in tropical forests depends on the considered lifeform: results from an East African mountain forest [PDF]

open access: yes, 2019
Elevation gradients in tropical forests have been studied but the analysis of patterns displayed by species richness and elevation have received little attention.
Amani, Christian   +3 more
core   +1 more source

Research Note: Floristic inventory of monocots in Mt. Pangasugan, Baybay, Leyte, Philippines

open access: yesAnnals of Tropical Research, 2008
Mt. Pangasugan which lies up to an elevation of 1,158 m ASL on the western slope of the Central Cordillera of Leyte is one of the unexplored mountains.
Pamela P. Abit
doaj   +1 more source

Drivers of floristic variation in biogeographic transitions: insights from the ecotone between the largest biogeographic domains of South America [PDF]

open access: yesActa Botânica Brasílica, 2020
Ecological transitions usually represent vulnerable ecosystems and high biodiversity. Investigating their drivers is important from both biogeographic and conservationist perspectives.
Loana Araújo Silva Souza   +1 more
doaj   +1 more source

Floristic composition of the coastal district Satkhira, Bangladesh

open access: yesBangladesh Journal of Plant Taxonomy, 2021
This study presents elementary taxonomic data on the composition of vascular flora in the disaster prone coastal district Satkhira of Bangladesh. The results of this study show that this district houses 664 species under 468 genera and 133 families of vascular plants.
Gazi Mosharof Hossain   +4 more
openaire   +2 more sources

Investigation of taxonomic shrub resources in Qiqihar and analysis of their economic potentiality

open access: yesXibei zhiwu xuebao
[Objective] The study aims to find out the shrub resource situation and its economic potentiality in Qiqihar, and provide basis for the development and utilization of shrub resources in this area.
CUI Lin   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy