Results 101 to 110 of about 710,344 (302)

Substratum associations of benthic invertebrates in lowland and mountain streams

open access: yes, 2013
The preferences of aquatic invertebrate species for specific substrata at the river bottom have been subject of many studies. Several authors classified the substratum preferences of species or higher taxonomic units. Most of these compilations, however,
Lorenz, A.W.   +10 more
core   +1 more source

Saussurea × media (Asteraceae), a new natural hybrid between S. parviflora and S. controversa

open access: yesNordic Journal of Botany, EarlyView.
Saussurea × media Yusupovsky and E.Pjak (Asteraceae), a new nothospecies from the Altai‐Sayan Mountains, is described and illustrated. In this study, we sequenced the internal transcribed spacer of nuclear ribosomal DNA and the chloroplast intergenic spacers rsp16‐trnQ and ycf4‐cemA to verify the hypothesis of hybridization between Saussurea parviflora
Daniil V. Yusupovsky, Elizaveta A. Pyak
wiley   +1 more source

Diel Dynamics of Field Responses to UV and Photosynthetic Radiation in the Aquatic Liverwort Jungermannia eucordifolia and Their Potential Use in UV Biomonitoring

open access: yesPlants
We investigated diel physiological responses of the leafy aquatic liverwort Jungermannia eucordifolia under natural field conditions during two consecutive days.
Alberto-José Parada-Siles   +4 more
doaj   +1 more source

Transforming a Poaching Hotspot: Embedded NGO Governance Between State and Community in Southern China

open access: yesPublic Administration and Development, EarlyView.
ABSTRACT This article examines how a local environmental NGO in southern China transformed Guantouling Hill, once a prominent poaching hotspot along the East Asian–Australasian Flyway, into a recognised model of community‐based biodiversity conservation.
Zheng Lin, Miao Chen
wiley   +1 more source

Lake Superior Streams [slides]

open access: yes, 2012
The year given (2012) is an estimate.Lake Superior Streams. (2012). Lake Superior Streams [slides].
Lake Superior Streams
core  

Care through cultivation: Indigenous Swidden agriculture as forest care

open access: yesPeople and Nature, EarlyView.
Abstract This paper argues that the agricultural practices of Bunong swidden cultivators in northeastern Cambodia constitute relational care for forests that is fundamentally misunderstood, misrecognized, and marginalized by dominant state policies, conservation, and development paradigms. Bringing together care theory, long‐term ethnographic research,
Esther Leemann
wiley   +1 more source

The importance of a Biosphere Reserve of Atlantic Forest for the conservation of stream fauna

open access: yesBrazilian Journal of Biology
Preservation of terrestrial fauna and flora has been the main reason for the settlement of most protected areas in the past 30 years, but although those areas may include water bodies, this does not necessarily mean that the biodiversity of freshwater ...
CE. Yoshida, VS. Uieda
doaj   +1 more source

Influence of selected environmental factors on macroinvertebrates in mountain streams

open access: yesOpen Life Sciences, 2015
The objectives of our survey were: to analyze the structure of macroinvetebrate communities in mountain streams in national parks and Biosphere Reserves (Poland, the Slovak Republic), to determine the environmental factors that influence the structure of
Lewin Iga   +3 more
doaj   +1 more source

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