ライフサイエンスコーパス: detrital

1 - 0.35 billion years represents a mixture of detrital and authigenic components and confirms the expe

2 K-Ar ages are apparent ages of mixtures of detrital and diagenetic end members, and what we need ar

3 Thus, the gold is detrital and was not deposited by later hydrothermal flu

4 Both old (detrital) and newly grown (authigenic) fine-grained phyl

5 duits are enriched in SiO2 and Zn, the large detrital aquifers of the island typically present enhanc

6 ossibly the crystalline magnetite (otherwise detrital) are primary precipitates and/or their diagenes

7 samples, John Klein and Cumberland, contain detrital basaltic minerals, calcium sulfates, iron oxide

8 vary predictably as a function of MAT, while detrital carbon declined by ~14 Mg of carbon ha(-1) for

9 vers that stimulate microbial respiration of detrital carbon, but nutrient effects on the temperature

10 the sheltering or preservational effects of detrital clay minerals in modern marine continental marg

11 fficult to study directly due to dilution by detrital clay minerals.

12 structure and function (e.g., alter rates of detrital decomposition and algal consumption), particula

13 Here, we show that a harvested migratory detrital-feeding fish (Prochilodontidae: Prochilodus mar

14 ce, can be explained by simple mixing with a detrital flux of organic matter.

15 The importance of algal and detrital food supplies to the planktonic food web of a h

16 Effects of invasive plants on grazing and detrital food webs clearly differed between ecosystems.

17 ganic C were rapidly depleted via release of detrital food webs from N and P co-limitation.

18 cades, but analogous context dependencies in detrital food webs remain poorly understood.

19 rait-based framework for trophic cascades in detrital food webs.

20 use microbial biomass is the trophic base of detrital food webs.

21 sitive to plant invasions compared to brown (detrital) food webs.

22 Here we present dates of 257 detrital grains of white mica from this succession, usin

23 y ion mass spectrometry) and redox-sensitive detrital grains--reveal that the original Mn-oxide phase

24 Detrital Hadean igneous zircons from the Jack Hills, Wes

25 West Baray received relatively high rates of detrital input.

26 primary production due to Ndep has enhanced detrital inputs of C to soils, causing an average increa

27 te in prairie soils, increased deposition of detrital magnetite in prairies from eolian processes, or

28 Detrital magnetite in the surficial deposits produces mo

29 the metabolic potential was consistent with detrital marine snow degradation.

30 Detrital mass-specific respiration rates increased with

31 nce, and microbial (i.e., fungal) drivers of detrital mass-specific respiration rates using the metab

32 Sinking of detrital material ("biological pump") is usually thought

33 Here we use records of diatoms, detrital material and geochemical parameters from six ma

34 ing the processes that determine the fate of detrital material is important for predicting the effect

35 ysis cannot separate cells from co-occurring detrital material or other cells of differing taxonomy o

36 of carbon equivalent to the sinking flux of detrital material.

37 within the euphotic zone and distributed as detrital matter by waves and currents to surrounding env

38 We expected a heavy reliance upon a diet of detrital matter to sustain the population as a consequen

39 e. thin films of algae, bacteria, fungi, and detrital matter) act as biogeochemical hotspots by contr

40 Illite in shales is a mixture of detrital mica and its weathering products with diageneti

41 Detrital mineral content and grain size are positively c

42 Grain size is positively correlated with detrital mineral content and grain size standard deviati

43 ent understanding of the role and cycling of detrital OM in terrestrial and marine systems and examin

44 affecting the mineralization and storage of detrital OM.

45 By using controlled additions of detrital organic matter (dried, ground arthropod prey),

46 emental composition of microbial biomass and detrital organic matter and the efficiencies of microbia

47 erstood to accumulate above- and belowground detrital organic matter pools, including soil organic ma

48 d webs supporting fisheries to those fueling detrital pathways, thus potentially altering ecosystem-l

49 groups interact through plant responses and detrital pathways.

50 These cogenetic detrital phases are possibly sourced from the Gale crate

51 and plant tissue that eventually enters the detrital pool to become decomposed.

52 The largest detrital pool, soil organic carbon, was the most stable

53 tracellular proteases for the degradation of detrital proteins present in sediments.

54 tes, and that all four subgroups can degrade detrital proteins.

55 ortions of in situ precipitated--rather than detrital--quartz silt, the sedimentary record in mudston

56 ace ocean, the role of small cells and their detrital remains in the transfer of particulate organic

57 ensities, presumably in response to limiting detrital resources.

58 resent neodymium and lead isotope records of detrital sediment from the Bering Sea for the past 4.3 m

59 s of the metacarbonates, and by interlayered detrital sedimentary rocks with cross-lamination and sto

60 bon-bearing soils on a large scale and their detrital sedimentation sequestered carbon.

61 cosystem structure (algal, invertebrate, and detrital standing stocks) and function (gross primary pr

62 loss of nitrogen (N) and phosphorus (P) from detrital substrates doubled across a range of historical

63 diment sites were those that contained fewer detrital sulfides and were upstream of the major mine wa

64 quent additional net transfer of (15) N from detrital to plant pools.

65 gens and reductive acetogens correlated with detrital volume and canopy coverage, and exhibited highe

66 We found that a uniquely Panamanian Eocene detrital zircon fingerprint is pronounced in middle Mioc

67 easured in situ on the same, precisely dated detrital zircon grains.

68 um Group) from northwestern Texas contains a detrital zircon suite nearly identical to that found in

69 Here we present a compilation of ~120,000 detrital zircon uranium-lead (U-Pb) ages from global sed

70 New detrital-zircon geochronologic data reveal that a throug

71 Uranium-lead geochronology in detrital zircons and provenance analyses in eight boreho

72 Detrital zircons are the only known relics to have survi

73 Detrital zircons encapsulate a more representative recor

74 and trace element analyses for two ~4100 Ma detrital zircons from a Paleozoic quartzite at the Longq

75 formation, based on geochemistry of >4.0 Ga detrital zircons from Australia.

76 Detrital zircons from Jack Hills, Western Australia rang

77 le record of this era may be found in Hadean detrital zircons from the Jack Hills, Western Australia,

78 mately 1.4-billion-year-old Antarctic-margin detrital zircons match those in Laurentian granites of s

79 Such an opportunity is presented by detrital zircons more than 4 Gyr old found within 3-Gyr-

80 od of Earth's history are limited to igneous detrital zircons that pre-date the known rock record, wi