Results 91 to 100 of about 6,189 (215)

Geochemical constraints on the origin of enigmatic cemented chalks, Norfolk, UK [PDF]

open access: yes, 2009
Very hard cemented chalk stacks and crusts found locally in the upper part of the Cretaceous Chalk of north Norfolk, UK, are related to solution features.
A. MARCA-BELL   +13 more
core   +1 more source

Detection of charophyte algae (Characeae) in lakes using eDNA metabarcoding

open access: yesGlobal Ecology and Conservation
Detection of charophyte algae (Characeae) and identification to species level is important for biodiversity conservation and ecological status assessment, and environmental DNA (eDNA) might enable fast and replicable species detection.
Aleksandra Marković   +7 more
doaj   +1 more source

Diffusive Promotion by Velocity Gradient of Cytoplasmic Streaming (CPS) in Nitella Internodal Cells.

open access: yesPLoS ONE, 2015
Cytoplasmic streaming (CPS) is well known to assist the movement of nutrients, organelles and genetic material by transporting all of the cytoplasmic contents of a cell.
Kenji Kikuchi, Osamu Mochizuki
doaj   +1 more source

Erste Übersicht über die Armleuchteralgen (Characeae) des Raumes Osnabrück [PDF]

open access: yes, 2012
Aus Anlaß des Wiederfundes von Chara contraria A. Sr., die zületzt 1897 in Niedersachsen festgestellt worden war, werden die derzeit bekannten Arten der Armleuchteralgen (Characeae) und ihre Verbreitung im Raum Osnabrück vorgestellt.
Wagner, Hans Georg
core  

The Characeae of Nebraska - Additions and Changes [PDF]

open access: yes, 1956
Since the joint studies by Kiener and Daily on the Characeae of Nebraska in 1944, numerous collections have been made in the state. They are reported here with some changes in nomenclature in the interest of consistency or priority as presently conceived,
Daily, Fay Kenoyer, Kiener, Walter
core   +1 more source

New Characeae (Charophyceae, Charales) report in eastern Sicily (Italy) [PDF]

open access: yesItalian Botanist
Nowadays species belonging to the green algal family Characeae are highly endangered. For this reason, many of them are protected by European directives and included in Red Lists.
Ilaria Pagana   +3 more
doaj   +3 more sources

Biology and potential impacts of rudd (Scardinius erythrophthalmus L.) in New Zealand [PDF]

open access: yes, 2003
Rudd (Scardinius erythrophthalmus) is a cyprinid fish native to Europe that was illegally introduced into New Zealand in 1967. Between the 1960s and 1980s rudd were illegally spread to a number of lakes, ponds, and rivers in New Zealand, principally ...
Hicks, Brendan J.
core  

Nitella tenuissima Kuetz.

open access: yes, 2021
Published as part of Info Flora, 2021,
openaire   +2 more sources

Composición de las comunidades de macrófitos y establecimiento del estado de conservación de charcas y lagunas de la Depresión del Duero (Noroeste de España) en base a criterios botáanicos [PDF]

open access: yes, 2012
A total of 112 taxa (42 hydrophyte taxa and 70 helophyte species) were registered in the 57 ponds and lagoons studied in the Duero Basin (Northwest Spain).
Del Pozo, Rocío   +2 more
core  

The charophytes (Charales, Charophyceae) from the Middle Volga Region (Russia): synopsis of localities and species protection

open access: yesNature Conservation Research: Заповедная наука, 2018
The dataset for charophytes from the Middle Volga Region, including Orenburg region, Penza region, Samara region, Ulyanovsk region, Chuvash Republic, Republic of Mariy El, Republic of Mordovia, Republic of Tatarstan, have been updated under study of ...
Roman E. Romanov   +4 more
doaj   +1 more source

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