Results 81 to 90 of about 269,377 (249)

Modeling Changes in Flow Dynamics From the Restoration of a Distributary Slough Along a Large Floodplain River

open access: yesRiver Research and Applications, EarlyView.
ABSTRACT Sloughs are slow‐moving or still water systems that serve as an important ecosystem component connecting rivers and floodplains such as the Apalachicola River in northwest Florida. However, sloughs of the Apalachicola River have become hydrologically disconnected from the mainstem due to the impact of failed navigation projects such as channel
Love Kumar   +6 more
wiley   +1 more source

First record of the genus Tanybelus (Salticidae: Salticinae: Sarindini) from Colombia

open access: yesCaldasia, 2017
A first record of the jumping spider genus Tanybelus (Salticidae: Salticinae: Sarindini) from Colombia is presented, with a new record of T. aeneiceps Simon, 1902 from the Cundinamarca department, in the municipalities of Albán and San Antonio de ...
Valentina Muñoz Charry   +1 more
doaj   +1 more source

Ionogel‐Dominated Wearable Sensors for Reliable Health Monitoring

open access: yesSusMat, EarlyView.
Ionogels have emerged as promising materials for health monitoring due to their flexibility, thermal stability, and ionic conductivity, yet challenges remain in ensuring reliable performance. This review mainly focuses on the structure‐performance relationships of ionogels towards long‐term health monitoring, including precise designs of robust ...
Wenzhe Xiao   +7 more
wiley   +1 more source

Woodward and Hoffmann on Secondary Orbital Interactions. How to Make a Fine Two‐Course Meal from Leftovers**

open access: yesThe Chemical Record, EarlyView.
In February through April 1965, Hoffmann devised several MO tools to explain the regiochemistry of the Diels‐Alder and the preference of the Cope reaction to proceed by the chair rather than boat orientations, when both were possible. The secret lay in secondary orbital interactions that were revealed through qualitative perturbation theory.
Jeffrey I. Seeman
wiley   +1 more source

Optics of the ultraviolet reflecting scales of a jumping spider [PDF]

open access: yesProceedings of the Royal Society B: Biological Sciences, 2007
The jumping spiderCosmophasis umbraticafrom Singapore is strongly sexually dimorphic. The males, but not the females, reflect ultraviolet as well as green–orange light. The scales responsible for this are composed of a chitin–air–chitin sandwich in which the chitin layers are three-quarters of a wavelength thick and the air gap a quarter wavelength ...
Land, M.F.   +3 more
openaire   +3 more sources

Water‐saving strategies in rice farming entail cascading effects in prey–predator interactions across ecosystem boundaries

open access: yesJournal of Applied Ecology, EarlyView.
These results show that introducing multiple drainage periods in rice fields (i.e. AWD) indirectly hampers terrestrial spider reproduction through limiting the emergence of potential preys from the aquatic to terrestrial boundaries. MSD resulted in a more conciliatory strategy as it largely reduces methane emissions and does not affect predator–prey ...
Néstor Pérez‐Méndez   +5 more
wiley   +1 more source

Check list of the Hungarian Salticidae with biogeographical notes

open access: yesArachnologische Mitteilungen, 2003
An updated check list of the Hungarian jumping spider fauna is presented. 70 species are recorded from Hungary so far. Four species are new to the Hungarian fauna: Hasarius adansoni, Neon valentulus, Sitticus caricis, Synageles subcingulatus.
Szüts, Tamás   +3 more
doaj   +1 more source

Foraging by predatory ants: A review

open access: yesInsect Science, EarlyView.
This review focuses on ecological and behavioral characteristics of foraging in ants showing the wide diversity of cases. Most ants can feed on sugary substances, but some ground‐nesting species are strict predators. Except army ants during the nomadic phase, they are central‐place foragers that can recruit nestmates when necessary. They prey mostly on
Alain Dejean   +5 more
wiley   +1 more source

Visual pathways of the secondary eyes in the brain of a jumping spider

open access: yesbioRxiv, 2019
Some animals have evolved task differentiation of individual structures within the same sensory modality (e.g. olfaction or vision). A particular example is spiders, where most species have eight eyes, of which two (the principle eyes) are used for ...
Philip O. M. Steinhoff   +3 more
semanticscholar   +1 more source

Cretaceous lacewing larvae with binocular vision demonstrate the convergent evolution of sophisticated simple eyes

open access: yesInsect Science, EarlyView.
We report three ca. 100 million‐year‐old lacewing larvae with extraordinarily large stemmata. One of them additionally has a very wide head, which represents a previously unknown morphology. The arrangement of the stemmata indicates stereoscopic vision in these predatory larvae.
Carolin Haug   +9 more
wiley   +1 more source

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