Results 41 to 50 of about 1,302 (186)

Global importance of Amazonian freshwaters

open access: yesFrontiers in Ecology and the Environment, Volume 23, Issue 10, December 2025.
Amazonian freshwaters have large influences on regional and global climate, harbor remarkable and unique species, and are vital to human society. Nevertheless, as compared to their terrestrial counterparts in the Amazon, these freshwaters have received less attention from the international conservation community.
Clinton N Jenkins   +12 more
wiley   +1 more source

Entre dos mundos: los grabados al aire libre de Pena Bicuda de Loureiro (Teo, Galicia, España)

open access: yesEspacio, Tiempo y Forma. Serie I, Prehistoria y Arqueología, 2015
Abordamos el estudio de un interesante petroglifo prehistórico registrado recientemente, que muestra las habituales combinaciones circulares pero también motivos menos usuales como espirales o un posible ídolo.
Ramón Fábregas Valcarce   +3 more
doaj   +1 more source

Disrupting the Norm: Looking for Magical Spaces in Science

open access: yesNew Directions for Teaching and Learning, Volume 2025, Issue 184, Page 45-47, Winter 2025.
ABSTRACT Focused on the discipline of biology, this chapter reports on the author's personal and professional revelations around their approach to their discipline as uncovered through participation in a Disrupting interview.
Sarah Hewitt
wiley   +1 more source

Mistletoes as Indicators of the Intensity of Browsing by Large Mammals in Kalahari Savanna

open access: yesAfrican Journal of Ecology, Volume 63, Issue 6, August 2025.
ABSTRACT The frequency, size and position of the mistletoe Tapinanthus oleifolius in its dominant host's canopy were strongly correlated with the degree of exposure to herbivory by the kudu (Tragelaphus strepsiceros) and especially the giraffe (Giraffa camelopardalis).
Jeremy J. Midgley   +2 more
wiley   +1 more source

Archaeological Investigations at a Wisconsin Petroglyph Site

open access: yesArts, 2014
Preliminary test excavations at the Hensler Petroglyph Site in East Central Wisconsin, U.S.A. have disclosed the remains of aboriginal engravings below Aeolian sediments dated to ca. 15,000 years B.P. The stratified deposits lying adjacent to an engraved
Jack Steinbring
doaj   +1 more source

Biomechanical Analysis of Mongolian Bronze and Iron Age Four‐Legged Walking Petroglyphs

open access: yesNatural Sciences, Volume 5, Issue 3, July 2025.
Top: Photograph (by Krisztián Bécs) of an Iron Age Mongolian rock‐goatpetroglyph. Bottom: ABSTRACT Since the works of Eadweard Muybridge in the 1880s, the characteristics of motion of four‐legged animals are well known for experts of animal locomotion, and the different gaits of many four‐legged species have been investigated in detail.
Krisztián Bécs   +2 more
wiley   +1 more source

Population genetics of Zamia decumbens (Zamiaceae, Cycadales), an endangered cycad from the Maya Mountains of Belize

open access: yesPlant Species Biology, Volume 40, Issue 4, Page 324-340, July 2025.
We utilized 10 microsatellite loci to examine the genetic diversity, genetic structure, and demographic history of Zamia decumbens Calonje, Meerman, M.P. Griff. & Hoese, an endangered cycad species occurring in small disjunct populations on karst topography within the Maya Mountains of Belize.
Michael Calonje   +4 more
wiley   +1 more source

The Lost Large Mammals of Arabia

open access: yesJournal of Biogeography, Volume 52, Issue 6, June 2025.
ABSTRACT Aim If successful, plans to restore the vegetation of the Arabian Peninsula (AP) as announced by the Middle East and Saudi Green Initiatives will see the greatest increase in vegetation cover since the beginning of the Holocene Humid Phase (HHP), roughly 9–10,000 years ago.
Christopher Clarke, Sultan M. Alsharif
wiley   +1 more source

Determining the age of Qatari Jabal Jassasiyah Petroglyphs [PDF]

open access: yesQScience Connect, 2012
The petroglyph site in Jabal Jassasiyah Qatar is located approximately 60 km northeast of the capital city of Doha and has over 900 different types of petroglyphs.
Raid Hassiba   +5 more
doaj   +1 more source

Ethnoecological perspectives on environmental stewardship: Tenets and basis of reciprocity in Gitxsan and nłeʔkepmx (Nlaka'pamux) Territories

open access: yesPeople and Nature, Volume 7, Issue 5, Page 934-946, May 2025.
Abstract Local and Indigenous Peoples steward and protect a significant proportion of biologically diverse ecosystems globally. This fact is increasingly acknowledged by researchers and international organizations, offering both opportunities and challenges at the intersection of Indigenous and western knowledge production in the context of ...
Chelsey Geralda Armstrong   +5 more
wiley   +1 more source

Home - About - Disclaimer - Privacy