Results 51 to 60 of about 267 (107)

Avaliação taxonômica da comunidade de ciliados peritríquios (ciliophora:oligohymenophorea: peritrichia) epibiontes de invertebrados e de plantas em ecossistemas limnicos subtropicais [PDF]

open access: yes, 2017
Atualmente, grande parte dos ecossistemas do planeta está com sua diversidade biológica ameaçada. Vários fatores, - tanto na ordem biológico-ambiental, como no âmbito antrópico-, estão interagindo e ocasionando essa mudança na arquitetura de vida nos ...
Pereira, Marcos Wenceslau de Oliveira
core  

Diversity of freshwater ciliates (Protista) from Argentina [PDF]

open access: yes, 2020
Diversity of ciliates from freshwater and soil were scarcely investigated in Argentina, in spite of their ecological role in these ecosystems and the huge environmental heterogeneity that can be found in this country.
Claps, María Cristina   +1 more
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PLANKTON AND WATER QUALITY ANALYSIS ON THE PRODUCTION PERFORMANCE OF WHITE SHRIMP (LITOPENAEUS VANNAMEI) [PDF]

open access: yes
The abundance, diversity, and dominance of phytoplankton affect water quality which can directly affect the success of cultivation. This study was conducted to analyze the diversity of species and dynamics of plankton abundance in shrimp (Litopenaeus ...
Amelia, Tia   +2 more
core   +2 more sources

Observations on some outstanding features of protozoan life [PDF]

open access: yes, 1901
The following pages represent for the most part the results of two summers' work under Mr. Sedgwick at Cambridge. In this place I would record my grateful indebtedness to that gentleman , not only for the ample provision - from a room down to the ...
Simpson, James Young
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\u3ci\u3eVorticella\u3c/i\u3e: A Protozoan for Bio-Inspired Engineering [PDF]

open access: yes, 2017
In this review, we introduce Vorticella as a model biological micromachine for microscale engineering systems. Vorticella has two motile organelles: the oral cilia of the zooid and the contractile spasmoneme in the stalk. The oral cilia beat periodically,
France, Danielle C.   +3 more
core   +1 more source

Contribution of biofilm to water quality, survival and growth of juveniles of the freshwater crayfish Cherax quadricarinatus (Decapoda, Parastacidae) [PDF]

open access: yes, 2012
The effect of biofilm as an alternative food source and/or a complement for improving culture was assayed for early and advanced juveniles of Cherax quadricarinatus.
Abreu, Paulo Cesar Oliveira Vergne de   +5 more
core  

Identifikasi Ektoparasit pada Budidaya Ikan Mujair (Oreochromis Mossambicus) di Desa Keramat Mengare, Kecamatan Bungah, Kabupaten Gresik [PDF]

open access: yes, 2018
Penyakit pada ikan merupakan salah satu masalah yang sering dijumpai dalam usaha budidaya ikan. Ikan dapat terserang penyakit karena beberapa faktor, diantaranya adanya parasit, pakan, atau kondisi lingkungan yang kurang menunjang kehidupan ikan.
Munawwaroh, Anita, Rahayu, Lia
core   +1 more source

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