Results 231 to 240 of about 82,647 (338)

Facies Patterns and Conodont Biogeography in Arctic Alaska and the Canadian Arctic Islands: Evidence against Juxtaposition of These Areas during Early Paleozoic Time [PDF]

, 2000
Bradley, D. C., de Freitas, T. A., Dumoulin, J. A., Harris, A. G.   +3 more
core  

Missouri Botanical Garden's cycad collection: A journey through time

Plant Species Biology, EarlyView.
This article summarizes the history of the Missouri Botanical Garden's extensive cycad collection. Some of the specimens currently housed in the living collections date back well over 100 years. Cycads continue to face a myriad of threats in the wild, and their conservation in ex situ collections is of critical importance to assist in their survival ...
Benjamin E. Deloso, Andrew Colligan, Rebecca Sucher, Vicente Ramirez   +3 more
wiley   +1 more source

Episodic body size variations of early Paleozoic trilobites associated with marine redox changes. [PDF]

Sci Adv
Sun Z, Zhao F, Zeng H, Erwin DH, Zhu M.
europepmc   +1 more source

Participation in Informal Cooperation in Water Management and Adoption of Sustainable Agricultural Practices: Empirical Evidence From Uzbekistan

Australian Journal of Agricultural and Resource Economics, EarlyView.
ABSTRACT Central Asian agriculture faces significant challenges, including low adoption rates of sustainable agricultural practices (SAPs). One contributing factor is the inefficiency of agricultural extension systems, which struggle to meet farmers' informational needs due to outdated content and ineffective communication.
Abdusame Tadjiev, Nodir Djanibekov, Mawussi Kossivi Soviadan, Thomas Herzfeld   +3 more
wiley   +1 more source

Taphonomic bias of hydrothermal silicification in biodiversity patterns of Cambrian shelly pavements from the Iberian Chains, NE Spain. [PDF]

Sci Rep
Martínez-Benítez B, Esteve J, Álvaro JJ.   +2 more
europepmc   +1 more source

Fossils of the British Islands stratigraphically and zoologically arranged. Vol. 1. Palæozoic comprising the Cambrian, Silurian, Devonian, Carboniferous, and Permian species, with supplementary appendix brought down to the end of 1886

, 1888
R. Etheridge
openalex   +2 more sources

Cambrian and related Ordovician brachiopoda--a study of their inclosing sediments [PDF]

, 1914
L. D. BURLING
openalex   +1 more source

Senedd Reform: From Aspiration to Cold‐Headed Reality?

The Political Quarterly, Volume 96, Issue 1, Page 164-172, January/March 2025.
Abstract In May 2024, the Senedd Cymru (Members and Elections) Bill completed its legislative journey through the Senedd Cymru/Welsh Parliament. The bill marks the latest chapter in the Senedd's evolution from an assembly established with no formally separated executive branch and no primary legislative powers into a lawmaking and tax‐raising ...
Adam Evans
wiley   +1 more source

Sedimentary Environment and Organic Matter Enrichment of Lower Cambrian Niutitang Shales in Fenggang Area, Northern Guizhou: A Case Study of Well YF1. [PDF]

ACS Omega
Ye Z, Zou N, Zhang D, Chen Y, Yin Y, Feng X, Du W.   +6 more
europepmc   +1 more source

IV.—History of the Names Cambrian and Silurian in Geology [PDF]

, 1873
T. Sterry Hunt
openalex   +1 more source