Results 171 to 180 of about 192,599 (270)
Zephyrus, 1975 Every generation believes in the originality of its contribution to science, though this may be determined by the intellectual vogues of the day. Recent years have seen developments in Archaeology which some describe as the «New Archaeology», whilst others protest that it is but the Old in new clothes. The expansion of isotopie dating techniques and of
openaire +2 more sources
Extreme fire severity interacts with seed traits to moderate post‐fire species assemblages
American Journal of Botany, EarlyView.Abstract Premise Climate change is globally pushing fire regimes to new extremes, with unprecedented large‐scale severe fires. Persistent soil seed banks are a key mechanism for plant species recovery after fires, but extreme fire severity may generate soil temperatures beyond thresholds seeds are adapted to.
Michi Sano +3 more
wiley +1 more source
Grass functional traits reflect the long history of fire and grazers in the savannas of Texas
American Journal of Botany, EarlyView.Abstract Premise Understanding relationships among grass traits, fire, and herbivores may help improve conservation strategies for savannas that are threatened by novel disturbance regimes. Emerging theory, developed in Africa, emphasizes that functional traits of savanna grasses reflect the distinct ways that fire and grazers consume biomass ...
Ashish N. Nerlekar +2 more
wiley +1 more source
DIURNAL AND SEASONAL CHANGES IN THE ASCORBIC ACID CONTENT OF SOME VEGETABLES [PDF]
, 1945 Hans Platenius
openalex +1 more source
American Journal of Botany, EarlyView.Abstract Premise Many angiosperms have evolved specialized systems that promote pollination by specific taxa. Therefore, plant distributions may be limited by the local abundance of their specialist pollinators. In eastern North America, Lobelia cardinalis is thought to be pollinated solely by Archilochus colubris, the only hummingbird species found in
Matthew L. Coffey, Andrew M. Simons
wiley +1 more source
THE SEASONAL VARIATION OF BASAL METABOLISM AND ACTIVITY OF THYROID GLAND IN MAN
, 1957 Susumu OSIBA
openalex +2 more sources
COVID-19: Questionable Seasonality
Eurasian Journal of Emergency Medicine, 2022 Sadaf Sheikh
doaj +1 more source
Comparative Studies of Urban Fly Populations in Arizona, Kansas, Michigan, New York, and West Virginia Ii. Seasonal Abundance of Minor Species [PDF]
, 1956 H. F. Schoof +2 more
openalex +1 more source
Seguir adelante: A qualitative exploration of Latino farmworkers' work and nonwork resources
American Journal of Community Psychology, EarlyView.Abstract Latino immigrant workers have been an exploited community within many dangerous workforces, but especially within the agricultural industry. They are a crucial population for the labor and economy of the U.S., yet Latino farmworkers report feeling expendable, discriminated against, and exposed to hazardous working conditions.
Faviola Robles Saenz +3 more
wiley +1 more source
Endosymbiotic ratchet accelerates divergence after organelle origin
BioEssays, Volume 45, Issue 1, January 2023., 2023 Primary endosymbiosis gave rise to mitochondria and plastids. The proximate impacts of organelle origin on lineage evolution have not been addressed at the population level. Using data from the photosynthetic amoeba Paulinella, we hypothesize that primary endosymbiosis accelerates lineage divergence, a process we refer to as the endosymbiotic ratchet ...
Debashish Bhattacharya +3 more
wiley +1 more source