Hydrological and lock operation conditions associated with paddlefish and bigheaded carp dam passage on a large and small scale in the Upper Mississippi River (Pools 14–18) [PDF]
Movement and dispersal of migratory fish species is an important life-history characteristics that can be impeded by navigation dams. Although habitat fragmentation may be detrimental to native fish species, it might act as an effective and economical ...
Dominique D. Turney +5 more
doaj +2 more sources
In our 2017 study ‘Assessing ExxonMobil’s climate change communications (1977–2014)’, we concluded that ExxonMobil has in the past misled the public about climate change. We demonstrated that ExxonMobil ‘advertorials’—paid, editorial-style advertisements—
Geoffrey Supran, Naomi Oreskes
doaj +1 more source
ExxonMobil Corp Vice President Vijay Swarup’s criticisms of our 2017 study (2017 Environ. Res. Lett. 12 084019), which demonstrated that ExxonMobil misled the public about climate change, are misleading and incorrect.
Geoffrey Supran, Naomi Oreskes
doaj +1 more source
A novel and enigmatic two-holed shell aperture in a new species of suspension-feeding worm-snail (Vermetidae) [PDF]
Shell aperture modifications are well known in terrestrial and aquatic gastropods, with apertural lip thickening and tooth development common in species with terminal (determinate) shell growth.
Rüdiger Bieler +3 more
doaj +2 more sources
Phylogeny and divergence time estimation of Io moths and relatives (Lepidoptera: Saturniidae: Automeris) [PDF]
The saturniid moth genus Automeris includes 145 described species. Their geographic distribution ranges from the eastern half of North America to as far south as Peru. Automeris moths are cryptically colored, with forewings that resemble dead leaves, and
Chelsea Skojec +4 more
doaj +2 more sources
Assessment of North American arthropod collections: prospects and challenges for addressing biodiversity research [PDF]
Over 300 million arthropod specimens are housed in North American natural history collections. These collections represent a “vast hidden treasure trove” of biodiversity −95% of the specimen label data have yet to be transcribed for research, and less ...
Neil S. Cobb +5 more
doaj +2 more sources
A History of Latin America [PDF]
Some maps on double leaves. ; Includes bibliographical references (p. 891-928). ; Mode of access: Internet.
openaire +2 more sources
The (in)visible barriers to free software: Inequalities in online communities in Spain
Free culture communities support self-learning, peer production, and the distribution of knowledge generated without any restrictions. However, free culture communities are not isolated from the social inequalities of the outside world. Understanding (in)
Dafne Calvo
doaj +1 more source
A multi-method approach for assessing the distribution of a rare, burrowing North American crayfish species [PDF]
Primary burrowing crayfishes face high extinction risk, but are challenging to study, manage, and conserve due to their difficult-to-sample habitat (i.e., terrestrial burrows) and low population densities.
Kathleen B. Quebedeaux +3 more
doaj +2 more sources

