Results 21 to 30 of about 4,347 (164)

Diverging Effects of Elevation on Species Richness of Freshwater Organisms: A Global Meta‐Analysis

open access: yesFreshwater Biology, Volume 71, Issue 7, July 2026.
ABSTRACT A primary ecological challenge is to disentangle how abiotic factors affect species richness using measured environmental variables in addition to broad proxies such as elevation. Considering direct ecogeographical gradients, such as climate harshness, it is therefore essential to understand whether these underlying abiotic factors might ...
Natalia Ferreira   +19 more
wiley   +1 more source

Le plancton, ressource alimentaire

open access: yes, 1957
Le plancton, ressource alimentaire . In: La Terre et La Vie, Revue d'Histoire naturelle, tome 11, n°1, 1957.

core   +1 more source

Dinámica anual de tintínidos en las aguas estuarinas de dos áreas marinas de pesca responsable en el Golfo de Nicoya, Costa Rica

open access: yesUniciencia, 2017
En los periodos de marzo de 2012 a marzo de 2013, y de setiembre del 2013 a agosto del 2014, se determinó la biodiversidad y abundancia de tintínidos y su relación con variables ambientales, en dos áreas marinas de pesca responsable (AMPR) (Puerto ...
Andrea García-Rojas   +2 more
doaj   +1 more source

Sur le Plancton épibenthique [PDF]

open access: yes, 1990
XXXIIe Congrès-Assemblée Plénière de la Commission Internationale pour l'Exploration Scientifique de la mer Méditerranée (CIESM), 15-20 octobre 1990, Perpignan, France.-- 1 pageDans cette communication, nous étudions le comportement du plancton du ...
Delgado, Maximino   +2 more
core  

Swimming ability of the Carybdea marsupialis (Cnidaria: Cubozoa: Carybdeidae): implications for its spatial distribution

open access: yesJournal of Zoology, Volume 324, Issue 1, Page 1-10, September 2024.
In this paper we analyzed the swimming speed, effective velocity, effective displacement index (EDI) and proficiency of juvenile to adult specimens (ranging from 1.1 to 36 mm of the diagonal bell width) of the box jellyfish Carybdea marsupialis. Abstract Although usually considered part of the plankton, cubozoans are strong swimmers.
C. Bordehore   +2 more
wiley   +1 more source

Plancton: un mundo en una cucharadita de agua de mar

open access: yes, 2023
En una pequeña cantidad de agua de mar como la que podemos recoger en la playa con una simple cuchara de café, podemos encontrar unos 50 millones de virus, 5 millones de bacterias, cientos de miles de pequeños flagelados unicelulares, ya sean ...
Calbet, Albert
core  

STUDIU PRIVIND TAXONOMIA ALGOFLOREI LACULUI LA IZVOR (CHIŞINĂU)

open access: yesActa et Commentationes: Ştiinţe Exacte şi ale Naturii, 2019
n articol sunt prezentate rezultatele cercetărilor floristice asupra algoflorei lacului „La Izvor”. Au fost înregistrate 196 de specii şi varietăţi de alge ce aparţin la 6 filumuri.
Boris NEDBALIUC   +3 more
doaj   +1 more source

Filter no more: A modified plankton sampler for rapid in‐water eDNA capture

open access: yesMethods in Ecology and Evolution, Volume 15, Issue 1, Page 60-68, January 2024.
Abstract The combination of an efficient sampling method and high‐throughput analysis of environmental DNA (eDNA) can be a powerful approach for characterising biodiversity across aquatic ecosystems. Plankton net tows are one of the oldest, simplest, and least expensive methods for seston and eDNA collection, but require laborious filtration steps ...
Xavier Pochon   +3 more
wiley   +1 more source

Caracterización limnológica de la laguna de Cashibococha (UcayaliPerú) durante el año 2001

open access: yesRevista Peruana de Biología, 2013
Durante el año 2001 se realizaron muestreos bimensuales en tres estaciones fijas en la laguna de Cashibococha (Ucayali, Perú). Cashibococha presenta aguas de color verdoso a café oscuro, con pH entre 6 a 6,8, Conductividad entre 10 y 30µS.cm −1 ...
José Riofrío   +3 more
doaj   +1 more source

L'analyse du plancton par ordinateur

open access: yes, 1970
Rennard Dean J. L'analyse du plancton par ordinateur. In: Le Globe. Revue genevoise de géographie, tome 110, 1970. pp.
Rennard Dean, J.
core   +1 more source

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