Results 91 to 100 of about 25,970 (222)

Successional trajectory of the fouling community on a tropical upwelling ecosystem in southeast Rio de Janeiro, Brazil

open access: yesBrazilian Journal of Oceanography, 2015
The present study describes the successional trajectory of the fouling community in the upwelling region of Cabo Frio in southeastern Rio de Janeiro, Brazil.
Bruno Pereira Masi   +2 more
doaj   +1 more source

A Study of Phytoplankton Dynamics in Lake Fayetteville as a Means of Assessing Water Quality [PDF]

open access: yes, 1971
Phytoplankton community was analyzed for seasonal and vertical distribution in Lake Fayetteville. This northwest Arkansas reservoir maintains a stable water level and chemical input with a relatively constant, slow overflow.
Meyer, Richard L.
core   +2 more sources

Late Cenomanian fossil association from Morelos, Mexico—stratigraphic implications

open access: yesRevista Mexicana de Ciencias Geológicas, 2018
The fossil content of a limestone succession of the Cuautla Formation, from the central part of the State of Morelos, indicates a late Cenomanian age.
Ulises Hernández-Romano   +2 more
doaj  

Acicularia tavnae sp. nov. and other Acetabulariaceae from the Palaeocene of eastern Majevica (NE Bosnia, Dinarides)

open access: yesGeologija, 1991
A rich assemblage of calcareous algae (Dasycladaceae, Acetabulariaceae) from Kamenjak limestone belt of the Majevica mountain gives the Palaeocene age of the sediments maintained so far for the Middle Eocene.
Rajka Radoičić
doaj  

Production of ‘Aliança’ papaya seedlings under different dosages and sources of Lithothamnion sp

open access: yesFrontiers in Plant Science
IntroductionThe production ofpapaya seedlings is one of the main steps for establishing crops that present maximum quality performance. Nutritional availability is one of the factors limiting the formation process of quality seedlings, and fertilization ...
Elmo Pereira Ramos   +11 more
doaj   +1 more source

Some Permian Calcareous Algae From the Vicinity of Ankara

open access: yesBulletin of the Mineral Research and Exploration, 1960
-
Utarit BİLGÜTAY
doaj  

Quantitative Biofacies Analysis of Upper Oligocene Reef-Coral Neritic Carbonates (Southern Pakistan)

open access: yesGeosciences
This study examines four shallow-water, reef-coral-bearing carbonate successions belonging to the Jhill Limestone Unit of the Gaj Formation, exposed in the area near Karachi (southern Pakistan).
Luca Mariani   +6 more
doaj   +1 more source

Microfossils, paleoenvironments and biostratigraphy of the Mal Paso Formation (Cretaceous, upper Albian), State of Guerrero, Mexico

open access: yesRevista Mexicana de Ciencias Geológicas, 2018
Microfossils from an outcrop of the coral reef and rudist-bearing calcareous upper member of the Mal Paso Formation just north of Chumbítaro, State of Michoacán, Mexico, indicate a deepening trend and transition from nearshore through outer shelf ...
Harry F. Filkorn, Robert W. Scott
doaj  

Temporal Diversity Shifts in Subtidal Tubastraea-Invaded Rocky Shores of Arraial do Cabo Bay, Southeastern Brazil

open access: yesDiversity
Invasive species can alter community composition and ecosystem functioning. In the subtidal rocky shores of Arraial do Cabo Bay, southeastern Brazil, the invasive coral Tubastraea spp. has established populations, raising concerns about long-term impacts
Bruno Pereira Masi   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy