Results 71 to 80 of about 491 (184)
Applied Sciences, 2020 In the present work, we demonstrate how drone surveys coupled with structure-from-motion (SfM) photogrammetry can help to collect huge amounts of very detailed data even in rough terrains where logistics can affect classical field surveys.
Fabio Luca Bonali +4 more
doaj +1 more source
Freshwater Biology, Volume 71, Issue 4, April 2026.ABSTRACT Planktothrix rubescens is a toxin‐producing filamentous cyanobacterium commonly found in temperate stratified lakes. Planktothrix rubescens regulates its buoyancy through intracellular gas vesicles and typically accumulates in the metalimnion during summer stratification, forming substantial biomass within a thin layer.
Lucas Schröder +3 more
wiley +1 more source
Ostracod assemblages indicating a low water level episode of Lake Peipsi at the beginning of the Holocene [PDF]
Estonian Journal of Earth Sciences, 2009 Three sediment cores from the northern part of Lake Peipsi in eastern Estonia were analysed for their ostracod content. The investigated sediments consist of late Weichselian glaciolacustrine varved and homogeneous clay, lake marl, and gyttja. Altogether
Niinemets, Eve, Hang, Tiit
doaj
Zoologica Scripta, Volume 55, Issue 2, Page 209-219, March 2026.ABSTRACT Until now, the genetic identity of common grass snakes (Natrix natrix) in Poland remained poorly understood. This study presents the first comprehensive phylogeographic analysis for Poland using mitochondrial DNA sequences (cyt b and ND4 + tRNAs) and 13 nuclear microsatellite loci.
Andrea Criado‐Flórez +12 more
wiley +1 more source
A graduated nativeness definition for overcoming dilemmas and difficulties of vascular plant species
Oikos, Volume 2026, Issue 2, February 2026.Nativeness is a concept central to biodiversity conservation and invasion biology, but there are several problems related to a classic binary nativeness definition. Dilemmas arise from the dynamic nature of species' distribution ranges on longer time scales, and difficulties arise in the application to smaller regions defined by arbitrary borders, and ...
Camilla T. Colding‐Jørgensen +3 more
wiley +1 more source
Late Weichselian Potholes Near Wolverhampton, England [PDF]
Journal of Glaciology, 1970 AbstractThree potholes and a narrow channel cut into bedrock in a side-hill position were observed beneath an Irish Sea till west of Wolverhampton, England. The potholes and the channel are believed to have been cut by subglacial or latero-glacial streams flowing beneath or immediately beside the Irish Sea ice sheet.
openaire +1 more source
The Geology of the Middle Cam Valley, Cambridgeshire, UK
Quaternary, 2019 This study offers a new understanding of the stratigraphy and context of the Pleistocene (including Elsterian and Weichselian) and Holocene deposits of the Middle Cam valley, Cambridgeshire, United Kingdom, and provides a unique and detailed view of the ...
Steve Boreham, Karolina Leszczynska
doaj +1 more source
Late Weichselian Glaciation in the Cheshire–Shropshire Basin [PDF]
Nature, 1966 RECENTLY, Boulton and Worsley1 have interpreted the huge composite morainic suite which occurs in the Wrexham–Bar Hill area of the Shropshire–Cheshire Basin as an end-moraine marking the southern limit of the advance of an ice-sheet in the Weichselian Glaciation. This interpretation is based on a radiocarbon dating of about 28,000 years B.P.
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Late Quaternary environmental changes recorded in the Danish marine molluscan faunas: Appendices 1-6 [PDF]
Geological Survey of Denmark and Greenland Bulletin, 2004 Late Quaternary, marine deposits in Denmark have yielded 247 subfossil species of molluscs. The sites are presented, and comparisons are made between the subfossil mollusc assemblages and the 278 shell-bearing mollusc species presently living in the ...
Petersen, Kaj Strand
doaj
The Late Weichselian glacial maximum in western Svalbard
Polar Research, 1987 The glacial history of Svalbard and the Barents Sea during the Late Weichselian has been much debated during the last few years; reviews are presented by Andersen (1981), Boulton et al. (1982), ElverhBi & Solheim (1983) and Vorren & Kristoffersen (1986). In our opinion (Mangerud et al.
JAN MANGERUD +9 more
openaire +2 more sources