Sentences with phrase «in calcareous»

These responses include impacts on calcification rates [18,19], immune function [20], reproduction and carryover effects in larval and juvenile stages of invertebrates [21], enhanced productivity in phytobenthos [22 — 25] but reduced calcification and growth in calcareous algae [26 — 28].

Much of his recent research efforts are focused on using boron isotopes in the calcareous shells of foraminifera to reconstruct the state of the oceanic carbonate system in the geological past.

Not exact matches

Calcareous matter, if it is to be made malleable, needs to be embedded in a vast mass, and perhaps its reshaping is a process of immense slowness.

Nuijten, E. and Prins, Udo (2015) Potential for breeding white lupin for calcareous rich soils in the Netherlands.

«The Judgment of Paso was the culmination of what has been a four year journey in redefining our Cabernet program at Calcareous,» said Calcareous Vineyard Winemaker Jason Joyce who was in the audience during the blind tasting, blind to all but his wine on the panel.

Thrives in well - drained limestone, calcareous clay or sandy loam.

According to their study in The ISME Journal this alga lives in symbiosis within a unicellular organism, a ciliate, which measures around a hundred micrometers and makes a calcareous shell.

And other fish are aged by measuring calcareous bodies that grow in their ears, but this doesn't work for sharks.

In a new study recently published in the journal Global Biogeochemical Cycles, scientists of Kiel University (CAU) with colleagues from GEOMAR Helmholtz Centre for Ocean Research Kiel and international partners from the USA, New Zealand, and Great Britain studied marine benthic shell - forming organisms around the world in relation to the chemical conditions they currently experience — with a surprising result: 24 percent, almost a quarter of the analyzed species, including sea urchins, sea stars, coralline algae or snails, already live in seawater unfavorable to the maintenance of their calcareous skeletons and shells (a condition referred to as CaCO3 - undersaturationIn a new study recently published in the journal Global Biogeochemical Cycles, scientists of Kiel University (CAU) with colleagues from GEOMAR Helmholtz Centre for Ocean Research Kiel and international partners from the USA, New Zealand, and Great Britain studied marine benthic shell - forming organisms around the world in relation to the chemical conditions they currently experience — with a surprising result: 24 percent, almost a quarter of the analyzed species, including sea urchins, sea stars, coralline algae or snails, already live in seawater unfavorable to the maintenance of their calcareous skeletons and shells (a condition referred to as CaCO3 - undersaturationin the journal Global Biogeochemical Cycles, scientists of Kiel University (CAU) with colleagues from GEOMAR Helmholtz Centre for Ocean Research Kiel and international partners from the USA, New Zealand, and Great Britain studied marine benthic shell - forming organisms around the world in relation to the chemical conditions they currently experience — with a surprising result: 24 percent, almost a quarter of the analyzed species, including sea urchins, sea stars, coralline algae or snails, already live in seawater unfavorable to the maintenance of their calcareous skeletons and shells (a condition referred to as CaCO3 - undersaturationin relation to the chemical conditions they currently experience — with a surprising result: 24 percent, almost a quarter of the analyzed species, including sea urchins, sea stars, coralline algae or snails, already live in seawater unfavorable to the maintenance of their calcareous skeletons and shells (a condition referred to as CaCO3 - undersaturationin seawater unfavorable to the maintenance of their calcareous skeletons and shells (a condition referred to as CaCO3 - undersaturation).

The reason is that Emiliania's dense calcareous platelets function as ballast in aggregated organic matter and accelerate its sinking to the deep ocean.

Pre-bomb radiocarbon and the reservoir orrection for calcareous marine species in the Southern Ocean.

coccoliths: Microscopic structures of varying shape and size that are made of calcite, are secreted by calcareous nannoplankton, and are found in marine deposits from the Triassic period to the Recent.

They collect corals of sediments, they take samples of the various calcareous organisms in them and do measurements for instance of the isotopic composition of the shells.

Geodes in sedimentary rocks are usually found in limestones, dolomites, and calcareous shale.

Raised CO2 in aquatic systems can also lead to physiological stress, difficulty in building calcareous shells etc. (as will happen if atmospheric CO2 continues to build up beyond around 700ppm - the so called ocean acidification effect).

As the calcareous shells of crustaceans that lived in the sea were discarded, they built up on the floor, and eventually became calcium carbonate — limestone.

Pink Beach — locally called Pantai Merah — has a mixture of white and red sand formed from pieces of foraminifera, a marine protozoan with calcareous shells, and is one of only seven of its kind in the entire world.

Most soil is limestone in origin, generally shallow and stony, though there are areas of slightly deeper and more fertile calcareous soil.

Modern sediments around the site include sandy - muds in inland lagoons (composed mainly of peneroplid foraminifera) and on the windward side, a 3.3 yard raised beach 44 - 98 yards wide, of calcareous sand.

The area boasts hotels, a casino, great nightlife and many restaurants, but it is also steeped in legend and home to a beautiful calcareous island.

I think some research shows corals expelling their symbiotic algae at higher temperatures, which will make growing more difficult, leading to greater difficulties in keeping the productive population at the proper depth, and they've got decreased ability to build their calcareous skeletons (due to the dissolving CO2) on top of all that.

The first data series — from calcareous shells of marine organisms that live 50 to 200 metres below the sea surface in the northern Atlantic — shows the temperature conditions there.

[29] Interestingly, no change in the distribution of calcareous nanoplankton such as the coccolithophores can be attributed to acidification during the PETM.

We show that the onset of the PETM coincided with a prominent increase in the origination and extinction of calcareous phytoplankton.

Calcareous nannofossils from approximately the past 7000 yr of the Holocene and from oxygen isotope stage 5 are present at 39 analyzed sites in the central Arctic Ocean.

The closest they come to saying this is «in four of the 18 species (limpets, purple urchins, coralline red algae, calcareous green algae), net calcification increased relative to the control under intermediate CO2 levels (605 and 903 ppm), and then declined at the highest CO2 level (2856 ppm)».

Along gradients of normal pH (8.1 — 8.2) to lowered pH (mean 7.8 — 7.9, minimum 7.4 — 7.5), typical rocky shore communities with abundant calcareous organisms shifted to communities lacking scleractinian corals with significant reductions in sea urchin and coralline algal abundance.

The latter is also supported by the presence of calcareous algae (coccolithophoridae) in the Eemian sediments of Core PS2200 - 5 (Supplementary Fig. 2) 56.

We have investigated the response of a coral reef community dominated by scleractinian corals, but also including other calcifying organisms such as calcareous algae, crustaceans, gastropods and echinoderms, and kept in an open - top mesocosm [note: a «mesocosm» is an aquarium].

We have investigated the response of a coral reef community dominated by scleractinian corals, but also including other calcifying organisms such as calcareous algae, crustaceans, gastropods and echinoderms, and kept in an open - top mesocosm.

«Calcareous phytoplankton response to the half century of interannual climatic variability in Santa Barbara Basin (California)-- Bianca De Bernardi, 1 Patrizia Ziveri, 2,3 Elisabetta Erba, 1 and Robert C. Thunell4

This is the first study to document the response of calcareous phytoplankton to surface water warming occurring in SBB since 1970.»

The marine biota also redistribute carbon: marine organisms grow organic tissue and calcareous shells in surface waters, which, after their death, sink to deeper waters, where they are returned to the dissolved inorganic carbon reservoir by dissolution and microbial decomposition.

That additional acidity gained from carbon dioxide in sea water is affecting many species with calcareous shells and having the most significant effect on hard corals, which also use calcium carbonate to build their home

Freshman geology teaches students that CO2 solubility in water to create carbonic acid, a major process in dissolution of calcareous material, is strongly tied to temperature.

Ocean acidification is often considered in terms of its direct negative effects on the growth and calcification of organisms with calcareous shells or skeletons.

PROFILE: Energetic professional with hands - on experience in cleaning accretions and calcareous deposits from teeth and under gum margins.