ライフサイエンスコーパス: krill

1 level biota in the Antarctic food web (i.e., krill).

2 outhern Ocean and tolerate warmer water than krill.

3 th the distribution of their prey, Antarctic krill.

4 the abundance of their main prey, Antarctic krill.

5 cularly for humpback and blue whales chasing krill.

6 depth distribution and ecology of Antarctic krill, a central organism in the Southern Ocean ecosyste

7 ve and longer lasting during years with high krill abundance on-shelf.

8 ciated with a suggested decline in Antarctic krill abundance over the past 40 years.

9 in the water column), including herring and krill, aggregate to form schools, shoals, or swarms (her

10 We detected krill aggregations within the horizontal and vertical fo

11 with a protein of similar size in Antarctic krill and C. finmarchicus.

12 y, comparisons between products derived from krill and other species targeted for reduction, opportun

13 We found no relationships between krill and regional upwelling, though a strong connection

14 ssed whether supplementation with a blend of krill and salmon (KS) oil [which is rich in eicosapentae

15 d lunge feeding to capture a large amount of krill and/or fish for nourishment [1].

16 ds (PUFAs)-rich oils (flaxseed, fish, algae, krill, and blend).

17 ere were high concentrations of chlorophyll, krill, and seabirds surrounding each iceberg, extending

18 that penguins only recently began to rely on krill as a major portion of their diet, in conjunction w

19 ill surplus" hypothesis that predicts excess krill availability in the Southern Ocean after this peri

20 only further our understanding of Antarctic krill biology but, because of the economical importance

21 g trends in penguin abundance with trends in krill biomass explains why populations of Adelie and chi

22 d the habitat's ability to support Antarctic krill biomass production within this range could be redu

23 temperature (SST), strong upwelling and high krill biomass.

24 ong been considered an important habitat for krill, but sampling difficulties have previously prevent

25 les and their principal prey item, Antarctic krill, closely resembled those of baleen whales feeding

26 e associated with the initiation of a robust krill cohort the following summer, which is evident in A

27 Thus, krill crop phytoplankton but boost new production via th

28 rally, within the southwest Atlantic, summer krill densities correlate positively with sea-ice extent

29 As krill densities decreased last century, salps appear to

30 ter sea ice are thus key factors in the high krill densities observed in the southwest Atlantic Ocean

31 Within this band, krill densities were fivefold greater than that of open

32 Spatially, within their habitat, summer krill density correlates positively with chlorophyll con

33 nder ice over the scale necessary for robust krill density estimation.

34 e continuous high-resolution measurements of krill density under ice reaching 27 kilometers beyond th

35 topic signatures reflect a diet dominated by krill during periods characterized by positive phases of

36 nction with the removal of baleen whales and krill-eating seals during the historic whaling era.

37 but in amounts dictated by the specifics of krill escape and avoidance kinematics.

38 A molecular model of Antarctic krill euphauserase based on the known crystal structure

39 In total, Antarctic krill Euphausia superba represented 32%, and 14 other sp

40 2006/07 have revealed the presence of adult krill (Euphausia superba Dana), including gravid females

41 toplankton coincide with observed changes in krill (Euphausia superba) and penguin populations.

42 Antarctic krill (Euphausia superba) and salps (mainly Salpa thomps

43 in commercial crustacean oils from Antarctic krill (Euphausia superba) and the zooplankton Calanus fi

44 Antarctic krill (Euphausia superba) is a key species in Southern O

45 Antarctic krill (Euphausia superba) is a large euphausiid, widely

46 We surveyed Antarctic krill (Euphausia superba) under sea ice using the autono

47 The Antarctic krill, Euphausia superba, is an abundant and key species

48 xistence of significant numbers of Antarctic krill feeding actively at abyssal depths in the Southern

49 Serendipitous observations of Antarctic krill feeding at abyssal depths may revolutionise our vi

50 Krill-feeding blue and humpback whales exhibited tempora

51 he broader environmental implications of the krill fishery, comparisons between products derived from

52 environmental implications of the Antarctic krill fishery.

53 Supply chains of one krill fishing and processing company, Aker BioMarine of

54 e a significant negative effect on Antarctic krill growth habitat and, consequently, on Southern Ocea

55 Peninsula suitable for growth of the largest krill (>60 mm).

56 uence of this projected warming on Antarctic krill habitat with a statistical model that links growth

57 Antarctic krill is a cold water species, an increasingly important

58 Krill is an increasingly popular source of marine n-3 (o

59 hich suggests that increased competition for krill is one of the major drivers of Adelie penguin popu

60 the lithogenic and biogenic iron ingested by krill is passed into their fecal pellets, which contain

61 otic resource use associated with extracting krill is relatively low compared to that of other reduct

62 hat the bulk of the population of postlarval krill is typically confined to the top 150 m of the wate

63 -that we model--in which individual fish and krill juggle only their access to oxygen-replete water a

64 ly 190 L of fuel are burned per tonne of raw krill landed, markedly higher than fuel inputs to reduct

65 tensities affecting the lower trophic level (krill) may propagate to higher trophic levels (capelin a

66 e assessment to measure the contributions of krill meal, oil, and omega-3 capsules to global warming,

67 Krill need the summer phytoplankton blooms of this secto

68 erventions: placebo (olive oil 1500 mg/day), krill oil (945 mg/day eicosapentaenoic acid [EPA], + 510

69 1 of the 3 placebo (olive oil 1500 mg/day), krill oil (945 mg/day eicosapentaenoic acid [EPA], + 510

70 molarity was reduced from baseline with both krill oil (mean +/- standard error of the mean: -18.6+/-

71 mation of pyrroles might help to protect the krill oil against lipid oxidation.

72 ure firstly increased the lipid oxidation in krill oil and subsequently the non-enzymatic browning re

73 ood may be inaccurate for samples containing krill oil due to its red pigment, astaxanthin.

74 educed at day 90 relative to baseline in the krill oil group only, compared with placebo (-18.6+/-2.4

75 leukin 17A were significantly reduced in the krill oil group, compared with placebo, at day 90 (-27.1

76 ntified as tropomyosin, was also detected in krill oil products, but not in oils from C. finmarchicus

77 tion and non-enzymatic browning reactions in krill oil upon storage.

78 The oxidative stability of krill oil was assessed by peroxide value and anisidine v

79 Krill oil was incubated at two different temperatures (2

80 fatty acid (EFA) supplements, phospholipid (krill oil) and triacylglyceride (fish oil), for treating

81 3 EFAs in a predominantly phospholipid form (krill oil) may confer additional therapeutic benefit, wi

82 t supplements of DHA, including fish oil and krill oil, do not significantly increase brain DHA, beca

83 :1:1) to 1 of 3 groups: placebo (olive oil), krill oil, or fish oil supplements.

84 Thus, krill-oil supplementation in overweight adults could exa

85 However, to our knowledge, the effect of krill-oil supplementation on insulin sensitivity in huma

86 ng maneuvers to attack dense aggregations of krill or small fish, and their large flippers are though

87 be released in dissolved form directly from krill or via multiple pathways involving microbes, other

88 increase in the population size of Antarctic krill, or selection favouring a particular mitochondrial

89 d specifically for large rorquals feeding on krill, our analysis predicts that engulfment time increa

90 ate shifts and corresponding availability of krill over the past decade were not consistent with tren

91 e typically used to target small, less dense krill patches near the water's surface [5,6], and we pos

92 ions, as with berries, insects, plankton and krill, permitting portion control and the rapid and effi

93 Crayfish, krill, prawns, lobsters, and other long-tailed crustacea

94 s involving microbes, other zooplankton, and krill predators.

95 Linear, indirect numerical responses between krill (primarily Thysanoessa spinifera) and juvenile roc

96 Impacts of krill products were found to be driven primarily by the

97 t, negative impact on phytoplankton biomass, krill recruitment and upper trophic level predators in t

98 Here we show that Antarctic krill sampled near glacial outlets at the island of Sout

99 VMS in soils, vegetation, phytoplankton, and krill samples from the Antarctic Peninsula region, which

100 f Adelie and gentoo penguins, and found that krill selected for habitats that balance the need to con

101 rve three-dimensional structure of Antarctic krill shoals acoustically.

102 es, also provide data to consider for future krill stock management.

103 antic sector contains >50% of Southern Ocean krill stocks, but here their density has declined since

104 are major grazers in the Southern Ocean, and krill support commercial fisheries.

105 Our results support the "krill surplus" hypothesis that predicts excess krill ava

106 iversity (pi=0.010275-0.011537) of Antarctic krill swarm samples was consistently high compared with

107 re and demographic history of nine Antarctic krill swarms by sequencing 1173 bases of the gene cytoch

108 over three decades of research on Antarctic krill, the genetics of individual swarms is yet to be sp

109 Clearance of CPDs by Antarctic fish and krill was mediated primarily by the photoenzymatic repai

110 Krill were concentrated within a band under ice between

111 At all locations where krill were detected they were seen to be actively feedin

112 Adult krill were found close to the seabed at all depths but w