Results 131 to 140 of about 140,854 (338)

Alopecic Patches on the Extremities of a Young Man

open access: yes
JEADV Clinical Practice, EarlyView.
Hamad El Hajj   +3 more
wiley   +1 more source

Digitization connects scattered specimens and enables new historical research: Plants from the Lady Franklin Bay Expedition (1881–1884)

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Widespread museum digitization initiatives have made the world's herbaria more accessible than ever, launching a renaissance of specimen use. We highlight the value of digitization to bolster both scientific and historical research using the specimens from the Lady Franklin Bay Expedition (1881–1884) to the Canadian arctic, remembered for its tragedy ...
J. Mason Heberling, Jackson P. Wright
wiley   +1 more source

Lichens and their importance for the monitoring of environmental changes in Southern Africa : with special reference to soil-inhabiting lichens. [PDF]

open access: yes, 2011
Lichens are the object of investigation within the framework of the BIOTA Southern Africa project, subproject S04 (http://www.biota-africa.org). This interdisciplinary research project, installed in 2000, focuses on the analysis of biodiversity and its ...
Rambold, Gerhard, Zedda, Luciana
core  

Assessing current curation, identification and digitisation practices in herbaria: Results from a global survey

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
The value of herbarium specimens depends largely on the accuracy and accessibility of the data captured, which is dependent on curation practices. Previous studies have shown high levels of misidentification in collections, which become more problematic with increased access.
Celia C. Aceae   +3 more
wiley   +1 more source

The influence of tree age and microhabitat quality on the occurrence of crustose lichens associated with old oaks [PDF]

open access: yes, 2008
Questions: How do tree age, microhabitat characteristics and epiphytic competitors affect the occurrence of crustose lichens associated with old oaks? How do microhabitat characteristics and microclimate affect the cover of competitors (bryophytes and ...
Berg, Niclas   +3 more
core  

Incorporating soil biological and functional attributes to advance ecological restoration

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Earth is currently experiencing a mass extinction crisis, predominantly driven by anthropogenic activities, with land use change causing widespread loss and degradation of native ecosystems and indigenous species. There is an urgent need to halt this trend and restore degraded habitat to preserve biodiversity and protect threatened plants and animals ...
Uffe N. Nielsen   +3 more
wiley   +1 more source

Effect of elevation gradient on the distribution of lichens and mosses of central Himalayan region, Uttarakhand, India

open access: yesG-Journal of Environmental Science and Technology, 2016
The present investigation aimed to determine the distribution pattern of 27 species of lichens and 7 species of mosses within five altitudinal bands between 3100-4000m near Badrinath area in the Central Himalaya.
Jaswant Singh   +2 more
doaj  

Studies on the lichen genus Sticta (Schreber) Ach. : 5., Australian species [PDF]

open access: yes, 1998
Twenty five species of Sticta occur in Australia. These are: Sticta baileyi, S. brevipes, S. camarae, S. caperata, S. cyphellulata, S. diversa, S. duplolimbata, S. filix, S. flavocyphellata, S. fuliginosa, S. howei, S. hypopsiloides, S.
Galloway, David J.
core  

Lichens of North America

open access: yes, 2002
Lichens are a unique form of plant life, the product of a symbiotic association between an alga and a fungus. The beauty and importance of lichens have long been overlooked, despite their abundance and diversity in most parts of North America and ...
I. Brodo   +3 more
semanticscholar   +1 more source

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