scholarly journals On the Likely Palaeoelevation of the Turonian – Coniacian Arman Flora Site (North-Eastern Asia)

2018 ◽  
Vol 74 (1-2) ◽  
pp. 159-164 ◽  
Author(s):  
Alexei B. Herman
Keyword(s):  
Late Cretaceous ◽  
Coastal Plain ◽  
Temperate Climate ◽  
Eastern Asia ◽  
North Eastern ◽  
Warm Temperate ◽  
Analytical Errors ◽  
High Diversity ◽  
Eastern Russia ◽  
Dicot Species

The Turonian - Coniacian (Late Cretaceous) Arman Flora (North-eastern Russia, Magadan District) exhibits a high diversity of fossil angiosperms (28 dicot species). Based on their physiognomy, palaeoclimate variables were estimated showing that the flora experienced a humid warm-temperate climate without any pronounced seasonality. Palaeoclimate variables estimated for the coastal plain floras (Penzhina, Kaivayam and Tylpegyrgynai floras, North-eastern Russia) are the same (within analytical errors) as those estimated for the Arman Flora that existed within uplands of the Okhotsk-Chukotka volcanogenic belt. This conclusion implies that the elevation of the intermontane basin of the Arman Flora biotope was not high, presumably not more than 600 m - and not sufficient to be reflected in palaeoclimate experienced by the Arman Flora.

Late Cretaceous Kholokhovchan floral assemblage of the Okhotsk-Chukotka volcanogenic belt (North-Eastern Asia)

Palaeobotany ◽  
2013 ◽  
Vol 4 ◽  
pp. 116-147 ◽  
Author(s):  
S. V. Shczepetov ◽  
A. B. Herman
Keyword(s):  
Late Cretaceous ◽  
Eastern Asia ◽  
Plant Fossils ◽  
Volcanogenic Belt ◽  
North Eastern ◽  
Volcanogenic Deposits ◽  
Floral Assemblage ◽  
Eastern Russia ◽  
Comprehensive Study

Results of comprehensive study of the Kholokhovchan floral assemblage collection is summarized. These plant fossils were collected in 1978 by E. L. Lebedev from volcanogenic deposits in Penzhina and Oklan rivers interfluve, North-Eastern Russia. This assemblage was previously known as a list of Lebedev’s preliminary identifi cations only. He had suggested that the Kholokhovchan assemblage is correlative to the latest Albian — early Turonian Grebenka flora from the Anadyr River middle reaches. However, our study demonstrates that the Kholokhovchan assemblage is most similar to the presumably the Turonian-Coniacian Arman flora of the Okhotsk-Chukotka volcanogenic belt and, therefore, should be dated as the Turonian-Coniacian or Turonian.

The Late Cretaceous flora of the Khatanga depression

Palaeobotany ◽  
2012 ◽  
Vol 3 ◽  
pp. 32-61 ◽  
Author(s):  
L. B. Golovneva
Keyword(s):  
Late Cretaceous ◽  
Temperate Climate ◽  
Common Elements ◽  
Fossil Plants ◽  
The Pacific ◽  
The Pacific Ocean ◽  
Characteristic Features ◽  
Water Plants ◽  
Warm Temperate ◽  
Cretaceous Deposits

Fossil plants from the Late Cretaceous deposits of the Khatanga depression are joined in three floristic assemblages: the Ledyanaya assemblage (the Turonian-Coniacian), the Kheta assemblage (the late Coniacian-early Santonian) and Mutino assemblage (the late Santonian-early Campanian). The Ledyanaya floristic assemblage contains ferns (Anemia rarinervis Abramova), cycadophytes (Nilssonia sp.), ginkgoales (Ginkgo ex gr. sibirica Heer), conifers (Taxodium sp., Sequoia tenuifolia (Schmalh.) Sveshn. et Budants.) and angiosperms (Pseudoprotophyllum hatangaense Abramova, Liriodendropsis simplex (Newb.) Newb., Trochodendroides sp., ะกissites sp., Dicotylophyllum sp.). The characteristic features of this assemblage are depauperated composition of angiosperms and survival of the Early Cretaceous relic elements. The Kheta floristic assemblage contains only Taxodium sp. and Trochodendroides sp. The Mutino floristic assemblage contains Sequoia tenuifolia, Pseudoprotophyllum hatangaense, Quereuxia angulata (Newb.) Krysht. ex Baik. and Cobbania corrugata (Lesq.) Stockey, Rothwell et Johnson. The Ledyanaya floristic assemblage is very similar with the Newsiberian flora from the Derevyannye Gory Formation of New Siberia Island. The Mutino floristic assemblage have common elements with Kundur flora (the Campanian) from the Kundur Formation of Amur region. The abundance of large leaves of Pseudoprotophyllum in the Mutino flora is evidence of the preservation of humid warm-temperate climate in the northern part of Siberia up to the Campanian. The presence of water plants Quereuxia angulata and Cobbania corrugada indicates the westward migration of some characteristic elements of the Pacific ocean lowlands.

Geomagnetic investigations in the north-eastern Russia

2011 ◽  
Vol 3 (5) ◽  
pp. 1-8 ◽  
Author(s):  
A. V. Moiseyev ◽  
G. A. Makarov ◽  
N. I. Neustroyev
Keyword(s):  
The North ◽  
North Eastern ◽  
Eastern Russia

scholarly journals A Review of Recently Discovered Remains of the Pleistocene Branchiopods (Anostraca, Notostraca) from NE Siberia and Arctic Canada

Water ◽  
2021 ◽  
Vol 13 (3) ◽  
pp. 280
Author(s):  
D. Christopher Rogers ◽  
Anton A. Zharov ◽  
Anna N. Neretina ◽  
Svetlana A. Kuzmina ◽  
Alexey A. Kotov
Keyword(s):  
Western North America ◽  
Temporary Wetlands ◽  
Indicator Organisms ◽  
Aquatic Habitats ◽  
Eastern Asia ◽  
Large Mammal ◽  
Large Branchiopods ◽  
North Eastern ◽  
North Western ◽  
Large Branchiopod

In this study, we examine, identify, and discuss fossil remains of large branchiopod crustaceans collected from six sites across the Beringian region (north-eastern Asia and north-western North America). Eggs and mandibles from Anostraca and Notostraca, as well as a notostracan telson fragment and a possible notostracan second maxilla, were collected from both paleosediment samples and also from large mammal hair. The remains of large branchiopods and other species that are limited to seasonally astatic aquatic habitats (temporary wetlands) could be useful indicator organisms of paleoecological conditions. Different recent large branchiopod species have very different ecological preferences, with each species limited to specific geochemical component tolerance ranges regarding various salinity, cation, and gypsum concentrations. Our purpose is to bring the potential usefulness of these common fossil organisms to the attention of paleoecologists.

Evaluation of the allergenicity of various types of urban parks in a warm temperate climate zone

Aerobiologia ◽  
2018 ◽  
Vol 35 (1) ◽  
pp. 57-71 ◽  
Author(s):  
I. Kasprzyk ◽  
T. Wójcik ◽  
P. Cariñanos ◽  
K. Borycka ◽  
A. Ćwik
Keyword(s):  
Urban Parks ◽  
Temperate Climate ◽  
Climate Zone ◽  
Warm Temperate ◽  
Temperate Climate Zone

Biodiversity and the biogeographic relationships of the Amphipoda: Gammaridea on the French coastline

2004 ◽  
Vol 84 (3) ◽  
pp. 621-628 ◽  
Author(s):  
Jean-Claude Dauvin ◽  
Denise Bellan-Santini
Keyword(s):  
Latitudinal Gradient ◽  
Marine Invertebrate ◽  
English Channel ◽  
Latitude Range ◽  
The North ◽  
North Eastern ◽  
Cool Temperate ◽  
Amphipoda Species ◽  
Central Atlantic ◽  
Warm Temperate

A recent inventory of the benthic Gammaridea: Amphipoda species on the French continental coastline catalogued 495 species. An analysis of the biodiversity and the biogeographic relationships that exist between the French Amphipoda: Gammaridea, living on the coastline that extends along 10° latitude range in the temperate region between 41° and 51° North and the other gammaridean faunas living in the north-eastern Atlantic has drawn the pattern of diversity in this marine invertebrate group on a large biogeographical scale. Gammaridean amphipods exhibit a latitudinal gradient over the total number of species, including the continental shelf species and the bathyal species. There are four main fauna groups, which correspond to the biogeographical zones of the north-eastern Atlantic: (1) a cold arctic and cool-temperate Svalbard and Norwegian coastal fauna; (2) a cool-temperate boreal and Boreal–Lusitanian United Kingdom, Irish and English Channel shallow fauna; (3) a warm-temperate Lusitanian Bay of Biscay and subtropical central Atlantic fauna; and (4) a subtropical Mediterranean fauna. The French fauna appears particularly rich, presenting 44% of the 1119 species recorded in the north-eastern Atlantic along the 50° latitude range (30°N–80°N).  This is obviously due to France's intermediate latitudinal location within the Lusitanian temperate biogeographical zone, which produces a biogeographical cross between the boreal fauna in the north and the warm temperate and sub-tropical fauna in the south.

scholarly journals History of Bermudagrass Turfgrass Breeding Research in Tifton, GA

HortScience ◽  
2018 ◽  
Vol 53 (11) ◽  
pp. 1560-1561 ◽  
Author(s):  
Lisa L. Baxter ◽  
Brian M. Schwartz
Keyword(s):  
Coastal Plain ◽  
Agricultural Research ◽  
Department Of Agriculture ◽  
University Of Georgia ◽  
Breeding Research ◽  
History Of ◽  
The University ◽  
Warm Temperate ◽  
Agricultural Research Service ◽  
The U.S

Bermudagrass (Cynodon spp.) is the foundation of the turfgrass industry in most tropical and warm-temperate regions. Development of bermudagrass as a turfgrass began in the early 1900s. Many of the cultivars commercially available today have been cooperatively released by the U.S. Department of Agriculture Agricultural Research Service (USDA-ARS) and the University of Georgia at the Coastal Plain Experiment Station in Tifton, GA.

scholarly journals Vegetation and climate from Late Quaternary Thimi Formation (Phaidhoka Section), Bhaktapur, Nepal

2015 ◽  
Vol 50 (1) ◽  
pp. 1-12
Author(s):  
Deepak Banjade ◽  
Kabir Sharma ◽  
Khum N. Paudayal
Keyword(s):  
Late Quaternary ◽  
Middle Part ◽  
Temperate Climate ◽  
Silty Clay ◽  
Pollen Diagram ◽  
Formation Zone ◽  
Palynological Study ◽  
Deltaic Deposit ◽  
Warm Temperate ◽  
Vegetation And Climate

The Thimi Formation is fluvio-deltaic deposit that constitutes the uppermost part of the sedimentary sequence in the Kathmandu Basin, and is featured by carbonaceous and diatomaceous clay, silty clay, silt, fine to medium grained sand beds, and thin to medium lignite beds. The Phaidhoka Section is located on the way to Nala from Chyamasingh, and is one of the major exposures of the Thimi Formation. Forty four samples were collected from 25 m thick surface exposure for palynological study. The study revealed the dominance of gymnosperm over the angiosperm and herbaceous members. The pollen diagram suggested Pinus, Picea and Quercus as the most dominant trees whereas Poaceae is other dominant among the grasses. Three major pollen assemblage zones were marked in the Thimi Formation. Zone P-I indicated warm temperate climate, whereas zone P-II and P-III indicated cold temperate climate. Molluscan operculum in the upper part indicated shallow water condition. The Bovid molars, limb and pelvic bones from the middle part of the section confirm the early findings of molar bones in this area.

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