Results 11 to 20 of about 523,256 (303)

Tardigrades from Iztaccíhuatl Volcano (Trans-Mexican Volcanic Belt), with the Description of Minibiotus citlalium sp. nov. (Eutardigrada: Macrobiotidae)

Diversity, 2020
The study of tardigrade diversity in Mexico is at early stage of development, to date, 56 extant species have been reported. To identify the tardigrade fauna associated with mosses in the Iztaccíhuatl volcano, we performed a systematic sampling along an ...
Alba Dueñas-Cedillo, Evelyn Martínez-Méndez, Jazmín García-Román, Francisco Armendáriz-Toledano, Enrico Alejandro Ruiz   +4 more
doaj   +1 more source

First record of the tardigrade Echiniscus testudo (Doyère, 1840) from northeast of Iran (Heterotardigrada: Echiniscidae) [PDF]

Iranian Journal of Animal Biosystematics, 2018
Tardigrada is a phylum closely allied with the arthropods. They are small (0.05-1.20 mm), hygrophilous micrometazoans, have four pairs of lobe-like legs and are either carnivorous or feed on plant material.
farahnaz Molavi, Ali Mokhtari, Simin Nayebi Moghaddam, Seyed Mohammad Javad Abedian, Z. Azimi Taraghdari   +4 more
doaj   +1 more source

Macrobiotus polypiformis sp. nov., a new tardigrade (Macrobiotidae; hufelandi group) from the Ecuadorian Pacific coast, with remarks on the claw abnormalities in eutardigrades

European Journal of Taxonomy, 2017
From a moss sample collected in the Manabí Province in Ecuador, we extracted 96 specimens of a new species of eutardigrade. No eggs were found. In order to obtain eggs, an in vitro culture was prepared.
Milena Roszkowska, Marta Ostrowska, Daniel Stec, Karel Janko, Łukasz Kaczmarek   +4 more
doaj   +1 more source

RIPPLE MARKS—The Story Behind the Story [PDF]

Oceanography, 2015
Last of the Ice Bears? Climate Change Threatens Iconic Polar Bears’ Food Sources In 1773, King George III of England appointed naval officer Constantine John Phipps to command an Arctic expedition.
Cheryl Lyn Dybas
doaj   +1 more source

New Records of Antarctic Tardigrada with Comments on Interpopulation Variability of the Paramacrobiotus fairbanksi Schill, Förster, Dandekar and Wolf, 2010

Diversity, 2020
Studies on Antarctic tardigrades started at the beginning of the twentieth century and have progressed very slowly and ca. 75 tardigrade species are known from this region.
Łukasz Kaczmarek, Monika Mioduchowska, Uroš Kačarević, Katarzyna Kubska, Ivan Parnikoza, Bartłomiej Gołdyn, Milena Roszkowska   +6 more
doaj   +1 more source

Polar bear depredation of a thick-billed murre fledgling in open water at Prince Leopold Island, Nunavut

Polar Research, 2022
Sea-ice distribution and duration are declining across the circumpolar range of the polar bear (Ursus maritimus), resulting in a reduced access to ice-obligate seals, its primary prey.
Martyn E. Obbard, Christopher Di Corrado, João Franco, Roger Pimenta, Boris Wise   +4 more
doaj   +1 more source

First records of water bears (Phylum Tardigrada) from Swaziland [PDF]

African Invertebrates, 2018
There are no published records of water bears (Phylum Tardigrada) from Swaziland. Two samples of foliose lichen collected in 2010 contained nine tardigrade specimens and one egg belonging to five genera and seven species: Echiniscus cf.
Harry A. Meyer, Martha Tsaliki, Juliana G. Hinton   +2 more
doaj   +2 more sources

Tardigrades as potential bioindicators in biological wastewater treatment plants

European Journal of Ecology, 2019
The aim of this study was the evaluation of the relationship between the presence of tardigrades and various levels of sewage pollution in different tanks of a wastewater treatment plant.
Jakubowska-Krepska Natalia, Gołdyn Bartłomiej, Krzemińska-Wowk Paulina, Kaczmarek Łukasz   +3 more
doaj   +1 more source

Long-Term Survivability of Tardigrade Paramacrobiotus experimentalis (Eutardigrada) at Increased Magnesium Perchlorate Levels: Implications for Astrobiological Research

Life
Perchlorate salts, including magnesium perchlorate, are highly toxic compounds that occur on Mars at levels far surpassing those on Earth and pose a significant challenge to the survival of life on this planet.
Paulina Anna Wilanowska, Piotr Rzymski, Łukasz Kaczmarek   +2 more
doaj   +1 more source

Observed and forecasted changes in land use by polar bears in the Beaufort and Chukchi Seas, 1985–2040

Global Ecology and Conservation, 2022
Monitoring changes in the distribution of large carnivores is important for managing human safety and supporting conservation. Throughout much of their range, polar bears (Ursus maritimus) are increasingly using terrestrial habitats in response to Arctic
Karyn D. Rode, D.C. Douglas, T.C. Atwood, G.M. Durner, R.R. Wilson, A.M. Pagano   +5 more
doaj   +1 more source