Results 81 to 90 of about 4,730 (220)

Algas e cianobactérias continentais no estado do Pará, Brasil. [PDF]

open access: yes, 2017
Estudos ficológicos no Pará; Compilação dos dados; Diversidade; Cyanophyceae/Cyanobacteria; Chlamydophyceae; Chlorophyceae; Zygnemaphyceae; Oedogoniophyceae; Charophyceae; Euglenophyceae; Dinophyceae; Chrysophyceae; Xanthophyceae; Cryptophyceae ...
BARROS, K. D. das N.   +4 more
core  

How many species of algae are there? A reprise. Four kingdoms, 14 phyla, 63 classes and still growing

open access: yesJournal of Phycology, Volume 60, Issue 2, Page 214-228, April 2024.
Abstract To date (1 November 2023), the online database AlgaeBase has documented 50,589 species of living algae and 10,556 fossil species here referred to four kingdoms (Eubacteria, Chromista, Plantae, and Protozoa), 14 phyla, and 63 classes. The algae are the third most speciose grouping of plant‐like organisms after the flowering plants (≈382,000 ...
Michael D. Guiry
wiley   +1 more source

Phytoplankton abundance and distribution of fish earthen ponds in Lagos, Nigeria

open access: yesJournal of Applied Sciences and Environmental Management, 2018
The study investigated phytoplankton abundance and distribution under different pond management to determine the effect of some physicochemical parameters on the community structure of three onresearch fish earthen ponds of Nigerian Institute for ...
M.N. Chukwu, E.S. Afolabi
doaj   +1 more source

Stomach Content Analysis of Thynnichthys Thynnoides From the Pinang Luar Oxbow Lake, Buluhcina Village, Siak Hulu Subdistrict, Kampar Regency, Riau Province [PDF]

open access: yes, 2017
Thynnichthys thynnoides is commonly inhabit the Pinang Luar Oxbow Lake. Information of the stomach content of this fish, however is limited. To understand the stomach content and its relation to size, sex and environmental condition, a research has been ...
Ananda, K. (Kika)   +2 more
core  

Description and shaping factors of diet and feeding ecology of neotropical tadpoles: A case study and a comprehensive review

open access: yesAustral Ecology, Volume 49, Issue 1, January 2024.
We performed a systematic review on the available literature on in situ studies of neotropical tadpole diets focusing on diet composition and its sources of variation. Such studies approached in just a few instances the effects of seasonality, developmental stage and food selectivity on diet composition, but the available data indicate none of these ...
Iara Matias Gonçalves   +4 more
wiley   +1 more source

Species richness of the genera Trachelomonas and Strombomonas (pigmented Euglenophyceae) in a subtropical urban lake in the Porto Alegre Botanical Garden, RS, Brazil

open access: yes, 2013
The objective of this study was to evaluate the taxonomic composition and richness of the genera Trachelomonas and Strombomonas (pigmented Euglenophyceae) in a subtropical urban lake (30o03'05"S; 51o10'34"W) within the Botanical Garden, in the city of ...
S. M. Alves-da-Silva   +3 more
semanticscholar   +1 more source

Food habits of Oxygaster bacaila (Ham.) from Kaptai Lake, Bangladesh [PDF]

open access: yes, 2004
Gut contents of 120 Oxygaster bacaila fmm Kaptai Lake were studied. Index of preponderance (IP) indicated that 0. bacaila consumed highest amount of Insects (35.89%) and thus occupied the first position among the food items.
Azadi, M.A., Mamun, A.
core  

Trophic status and phytoplankton in Lake Bidighinzu [PDF]

open access: yes, 1993
From March 1988 to April 1989 a survey was carried out on the phytoplankton of Lake Bidighinzu, a hypertrophic reservoir in Northern Sardinia. The purpose of this work was to assess the general limnological conditions of the reservoir after a diversion ...
Lugliè, Antonella Gesuina Laura   +1 more
core   +1 more source

Descrição e fatores modeladores da dieta e ecologia da alimentação de girinos neotropicais: Um estudo de caso e uma revisão abrangente

open access: yesAustral Ecology, Volume 49, Issue 1, January 2024.
Resumo Os girinos são componentes importantes de muitas teias alimentares aquáticas, pois influenciam as populações em outros níveis tróficos e, consequentemente, a transferência de energia entre os ecossistemas aquáticos e terrestres. O que os girinos consomem é um fator chave para suas funções ecológicas. As assembleias de anuros neotropicais incluem
Iara Matias Gonçalves   +4 more
wiley   +1 more source

The Cryptic Plastid of Euglena longa Defines a New Type of Nonphotosynthetic Plastid Organelle

open access: yesmSphere, 2020
Most secondary nonphotosynthetic eukaryotes have retained residual plastids whose physiological role is often still unknown. One such example is Euglena longa, a close nonphotosynthetic relative of Euglena gracilis harboring a plastid organelle of ...
Zoltán Füssy   +6 more
doaj   +1 more source

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