Results 31 to 40 of about 99,968 (304)
A biostratigraphic zonation of the Cenomanian–Coniacian rocks of the Guerrero–Morelos basin (southern Mexico) is proposed. The stratigraphic distribution of 70 species of calcareous algae and benthic and planktonic foraminifers is used to characterize ...
Noemí Aguilera-Franco
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Rapid Assessment of Intertidal Wetland Sediments [PDF]
Urbanization of coastal areas poses a severe threat to ecologically valuable intertidal wetlands. This paper presents a pragmatic approach called Rapid Assessment for Intertidal Wetland Sediments (RAITWS) for evaluating the sediment quality of intertidal
Borthwick, Alistair G. L. +3 more
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Facies analysis and paleoenvironmental reconstruction of the Burdigalian to Langhian Asmari Formation, outcropping in the Khorram Abad Anticline, in the north-west of the Zagros Basin allow us to interpret the carbonate ramp history during the Early ...
Roozpeykar Asghar +3 more
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ORNATODELLA ANAN, A NEW YPRESIAN ROTALIID BENTHIC FORAMINIFERAL GENUS FROM PAKISTAN [PDF]
Ornatodella Anan is introduced here to elucidate a new Ypresian Rotaliid benthic foraminiferal genus, which represents a transition from between the two benthic foraminiferal genera: Ornatanomalina Haque, 1956 (with the spiraling ribs in the end stage of
Haidar Salim Anan
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Paleoecology of the Maastrichtian and Danian sediment at North of Central Alborz, Iran, based on Planktonic foraminifera [PDF]
In order to study the fossil contents of the Ziarat-kola section for biostratigraphical purposes the 212 meters was sampled at Central Alborz. The sequence is mainly made up of monotonous grey- green to light grey marl.
Behnaz Balmaki
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Efficient sampling methodologies for lake littoral invertebrates in compliance with the European Water Framework Directive [PDF]
Lake shores are characterised by a high natural variability, which is increasingly threatened by a multitude of anthropogenic disturbances including morphological alterations to the littoral zone. The European Water Framework Directive (EU WFD) calls for
Brauns, Mario +7 more
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Benthic Dinitrogen Fixation Traversing the Oxygen Minimum Zone Off Mauritania (NW Africa) [PDF]
Despite its potential to provide new nitrogen (N) to the environment, knowledge on benthic dinitrogen (N2) fixation remains relatively sparse, and its contribution to the marine N budget is regarded as minor. Benthic N2 fixation is often observed in organic-rich sediments coupled to heterotrophic metabolisms, such as sulfate reduction.
Jessica Gier +6 more
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Variation in fatty acid content among benthic invertebrates in a seasonally driven system
At temperate latitudes where seasonal changing environmental conditions strongly affect the magnitude, duration and species composition of pelagic primary production, macrobenthic organisms living below the photic zone rely on the sedimentation of ...
Per Hedberg +3 more
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The impact of significant input of fine sediment on benthic fauna at tributary junctions: a case study of the Bermejo-Paraguay River confluence, Argentina [PDF]
This study examines the morphological features, suspended sediment inputs and hydraulic conditions within a large river in association with ecological patterns before and after a tributary confluence.
Amsler, Mario L. +8 more
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Background: Jeju Island is a world-renowned tourist destination. However, with the increasing intensity of anthropogenic activities, the coastal marine environment of Jeju Island has been negatively affected.
Jian Liang, Chae-Woo Ma, Kwang-Bae Kim
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