ライフサイエンスコーパス: richness

1 ir regional retention and driving increasing richness.

2 ng that were independent of those of species richness.

3 10.7%) and alien flora doubling (+132.1%) in richness.

4 dividual species, rather than simple species richness.

5 iving some of the responses to intraspecific richness.

6 uckoo was absent from sites with low species richness.

7 differences in native or non-native species richness.

8 ht also act as ecological filters on species richness.

9 phylogenetic and spatial pattern of species richness.

10 tem function arising from changes in species richness.

11 sing a global map of large carnivore species richness.

12 geomorphology in shaping patterns of species richness.

13 nges in microbial eukaryotic composition and richness.

14 or elevational and other patterns of species richness.

15 ssociated with significantly reduced species richness.

16 functional diversity of seed mass or species richness.

17 competition exerts an upper limit on species richness.

18 increase current estimates of insect species richness.

19 re surprisingly poor predictors of community richness.

20 han fivefold increase in bacterial taxonomic richness.

21 ot correlate with symptoms except ideational richness.

22 hange despite no net change in local species richness.

23 e variables, like total abundance or species richness.

24 tical model, we find that, despite invariant richness, (1) small environmental effects may already le

25 or abundance (3.5-fold), native bird species richness (2.1-fold), and abundance of bird species of gr

26 d led to greater catchment-level insect taxa richness (2.6-fold), pollinator abundance (3.5-fold), na

27 climate and wildfire decreased tree species richness across a large proportion of the study area and

28 al distribution of tuna and billfish species richness across the North Pacific basin.

29 An apparent 4-fold expansion of species richness after the Cretaceous/Paleogene (K/Pg) boundary

30 ES values above the median) based on species richness alone missed 27% of wildflower viewing utility

31 empirical evidence that declines in species richness along gradients of environmental stress can be

32 ion has been shown to decrease plant species richness along regional deposition gradients in Europe a

33 r species and also tended to reduce consumer richness, although the latter effect was only marginally

34 mycin induced a modest decline in microbiota richness and a shift in taxonomic composition driven by

35 ronger at local relative to regional scales, richness and abundance increased at both scales, and ric

36 hange in alpha and beta diversities, species richness and abundances of various bacterial taxa in gut

37 ion between global marine invertebrate genus richness and an independently derived quantitative index

38 Following the fire, forb species richness and biomass increased significantly, particular

39 ationship between rates of change in species richness and biotic and abiotic environmental change is

40 ential ecological harm by increasing species richness and boosting related ecosystem services to agro

41 r no relationship (for KN-F) between species richness and canopy N distribution, but emphasize a link

42 levels of detection and validation of taxon richness and community composition (beta-diversity) thro

43 oaches to assess locations with high species richness and community persistence relative to local and

44 These examples show how changes in species richness and composition driven by environmental perturb

45 er the effects of tree mortality altered the richness and composition of belowground fungal communiti

46 We explored how species richness and composition of co-occurring plant, grasshop

47 al distance, both of which can influence the richness and composition of soil fungi.

48 osystems (CAFE), by integrating both species richness and composition through species gains, losses a

49 ation, which partitions the contributions of richness and composition to function.

50 In the dry tundra, both community richness and composition were significantly altered whil

51 of evenness, rather than changes in species richness and composition, affect invertebrate particle r

52 aller islands displaying high variability in richness and compositional changes and larger islands ha

53 ts; in contrast, they support high taxonomic richness and contribute significantly to regional faunal

54 We used the decline in aquatic plant richness and cover as an index of ecological impact acro

55 ichthyosaurs maintained high but diminishing richness and disparity throughout the Early Cretaceous.

56 e dually coated by SIgA and showed increased richness and diversity compared to IgA-only-coated or un

57 y of faecal bacterial species and found that richness and diversity index values increased following

58 We found that the microbiota richness and diversity were decreased in LPS/elastase-tr

59 ease demonstrated decreased alpha diversity (richness and diversity) and greater beta diversity compa

60 post-LT, in association with a reduction in richness and diversity.

61 igher in FW compared to SW, both in terms of richness and diversity.

62 ilibrium states and progression rules, where richness and endemism rise with the age of the archipela

63 Richness and evenness were reduced in both antibiotic an

64 subgingival microbiome, decreasing pathogen richness and increasing commensal abundance.

65 ensity was associated with reduced bacterial richness and increasingly distinct bacterial communities

66 However, the very richness and inherent variability of sensory stimuli in

67 vironmental variability by promoting species richness and portfolio effects.

68 s most often examined by controlling species richness and randomising community composition.

69 oduced empirical spatial patterns of species richness and range midpoints.

70 The relative richness and range size of bacteria were associated with

71 was reduced by increasing resident community richness and resource availability.

72 The taxonomic richness and Shannon index were comparable between the W

73 we found significantly higher forb cover and richness and slightly lower grass cover on average with

74 ommunity were mainly driven by plant species richness and soil available N.

75 controls on elevational gradients of species richness and support the use of the landscape elevationa

76 s) in terms of total abundance, composition, richness and taxa-specific patterns.

77 rbicides reduced the microbial diversity and richness and two insecticides, carbaryl and permethrin,

78 reduced larval macroinvertebrate abundance, richness, and biomass at concentrations (EC50's ranged f

79 es features and microbial community biomass, richness, and composition.

80 ed plant community composition (i.e., cover, richness, and diversity), temperature, and soil moisture

81 relation to nitrogen input, soil pH, species richness, and functional group composition.

82 e south and offshore that have lower species richness, and higher temporal species community change.

83 tional diversity and divergence, and species richness, and measured plant and microbial uptake of (15

84 s, how it relates to competitor and predator richness, and the nature of the relationship between pop

85 t biodiversity components other than species richness, and whether impacts differ across spatial scal

86 dust and to a lower extent in nasal samples [richness aOR 0.63 = (0.38-1.06), Shannon index aOR = 0.6

87 Asthma was inversely associated with richness [aOR = 0.48 (0.22-1.02)] and Shannon index [aOR

88 rsampled, although current measures of viral richness are higher for soils than for aquatic ecosystem

89 How ecosystem productivity and species richness are interrelated is one of the most debated sub

90 ness, show that areas of high native species richness are not resistant to colonisation by alien spec

91 However, absolute differences in richness are still likely to change, potentially modifyi

92 lates of global patterns in standing species richness are well understood, it is poorly known which e

93 idual genus, with species accumulation curve richness as a hub.

94 ural ecosystem services (CES) or use species richness as a proxy and assume that more species confer

95 ith topography and soil, with low functional richness at a mountain ridge under specific environmenta

96 reasing population sizes, decreasing species richness at local and regional scales, and increasing si

97 Rhizobial taxa dominate N-fixing tree richness at lower latitudes, whereas actinorhizal specie

98 elationship between productivity and species richness at regional and global scales, which they contr

99 ecies, and estimated competitor and predator richness at the localities where diet data were collecte

100 lso important, with native and alien species richness being strongly and consistently positively asso

101 which further explain differences in species richness between both genera.

102 Despite considerable agreement of richness between mattress and nasal samples, the associa

103 e recover no significant increase in species richness between the Late Triassic and the Cretaceous/Pa

104 This resulted in increased richness but decreased evenness.

105 ctively, revealing decreased functional gene richness but increased community heterogeneity along the

106 ences among images were unrelated to species richness but increased with more abundant flowers, great

107 tal fragmentation promotes increasing marine richness, but that coalescence alone has only a small ne

108 However, local increases in species richness can increase competition within trophic levels,

109 hip between environmental change and species richness change can be quantified will reveal that many

110 n archipelago, we infer the rates of species richness change for 14 endemic groups over their entire

111 bserved a significant reduction in microbial richness (Chao1, P = 0.0136), raised diversity (Shannon,

112 region, and analyzed bee abundance, species richness, composition, and life-history traits.

113 Marks et al. showed tree species richness correlates with maximum tree height, and interp

114 ntal protection goals relying on measures of richness could underestimate ecological impacts of envir

115 nstrated that both submersed plant cover and richness declined exponentially as carp biomass increase

116 y gradient, and was strongly associated with richness declines.

117 We found that overall species richness decreased, with 20 species detected exclusively

118 of the future coffee distribution areas, bee richness decreases and coffee suitability increases.

119 a marked decrease (by 2.5-4) in microbial richness despite observable blooms of lithoautotrophic i

120 We found that charismatic species richness did not explain social media usage.

121 ass and seed viability, but wireworm species richness did not impact these plant metrics.

122 ation: after the Ordovician Radiation, genus richness did not trend for hundreds of millions of years

123 nity composition changed significantly while richness did not.

124 nd system in Inner Mongolia and assessed the richness-disturbance relationship using grazing intensit

125 Here, we demonstrate changes in species richness, diversity and evenness over a wide range of in

126 Further, while plant richness, diversity, and cover showed no response to N a

127 the utility of range size for understanding richness dynamics.

128 In our models, coffee suitability and bee richness each increase (i.e., positive coupling) in 10-2

129 Despite considerable variation in species richness effects across the continent, we found a tenden

130 r both intra- and interspecific identity and richness effects, and transgressive overyielding.

131 and account for different degrees of species richness effects.

132 reveal the mechanisms underlying low marine richness, emphasising speciation, extinction and colonis

133 continental bioindicator of hotspots of bird richness, even under climate change scenarios or in area

134 y to be associated negatively with microbial richness, exhaled CH4, presence of methanogens, and ente

135 Thus, species reordering, not changes in richness, explains long-term dynamics in these grass and

136 Species richness (SR) and functional group richness (FGR) are often confounded in both observationa

137 ldflower communities in which flower species richness, flower abundance, species evenness, color dive

138 Overall, functional richness follows a logarithmic increase with area, where

139 sed the effect of N deposition on herbaceous richness for 15,136 forest, woodland, shrubland, and gra

140 nes the global distribution of alien species richness for an entire taxonomic class.

141 nges were found in the species diversity and richness for any bacterial taxa among treatments at diff

142 We found that, while species richness for plants and invertebrate herbivores (green w

143 hip between changing island area and species richness for the Hawaiian archipelago, we infer the rate

144 onship between native and non-native species richness found at different spatial scales.

145 Here, we linked community structure (richness, frequency and nestedness) and genetic differen

146 The marine-terrestrial richness gradient is among Earth's most dramatic biodive

147 Instead, the richness gradient is explained by limited time for speci

148 Community richness had a positive effect on local neighbourhood ri

149 creased hyphal length, whereas interspecific richness had no effects.

150 Understory native species cover and richness had no strong associations with AM tree dominan

151 Species richness has long been used as an indicator of ecosystem

152 de, new methods of estimating global species richness have been developed and existing ones improved

153 Diminished coffee suitability and bee richness (i.e., negative coupling), however, occur in 34

154 omponents of biodiversity, including species richness?; (ii) How do aesthetic preferences for wildflo

155 at biomass production increases with species richness in a wide range of wild taxa and ecosystems.

156 been largely limited to mice, which lack the richness in behavior of primates.

157 evealed that normal tissues had the greatest richness in community diversity, while the metastatic po

158 The richness in complexity of each subgroup can be quantifie

159 hages, we found higher Shannon diversity and richness in controls compared with cases and observed th

160 ggest that N deposition is affecting species richness in forested and nonforested systems across much

161 The aim of this work was to establish the richness in gamma-linolenic acid (GLA, 18:3n6) and stear

162 t seasonal patterns of abundance and species richness in human-altered landscapes varied significantl

163 e history of disturbance and despite species richness in low- and medium-yielding agriculture being n

164 y testing for multi-decade trends in species richness in nine open marine regions around North Americ

165 Interestingly, protected areas with lower richness in non-charismatic species had more users.

166 ere measured along gradients of tree species richness in six regions across Europe, we investigated t

167 o assess biosynthetic domain composition and richness in soils collected across the Australian contin

168 studies have since revealed an undreamed-of richness in the diversity of their cultural traditions a

169 An abrupt tripling of richness in the earliest Palaeogene suggests that this d

170 des, and Butyricimonas and greater bacterial richness in the fecal material, resulting in eradication

171 Richness in the nutrient supply to larvae influences the

172 hedding light on the higher level of species richness in the southern subregion.

173 strial and lotic habitats (reduced taxonomic richness) in urban environments; in contrast, they suppo

174 In contrast, for mobile taxa richness, including cohabiting species from opposite sid

175 Intraspecific richness increased plant root productivity and ECM root

176 s a profound influence on diversity; species richness increased with the spatial scale of seed mixing

177 ollective experimental evidence that species richness increases community biomass production, and sug

178 had a positive effect on local neighbourhood richness, indicating that climate effects on trait covar

179 lture, vegetation cover, and large carnivore richness, into species distribution modeling substantial

180 derscores a growing realization that species richness is a crude and insensitive metric and that both

181 We find that, globally, alien bird species richness is currently highest at midlatitudes and is str

182 Global richness is declining, but it is unclear whether sub-glo

183 Species richness is distributed unevenly across the tree of life

184 substantiating the idea that global species richness is regulated by resource availability.

185 d, with most focused on island regions where richness is strongly impacted by novel colonisations.

186 Our results show that tree species richness is strongly positively correlated with maximum

187 where wildlife biodiversity (mammal species richness) is high.

188 While fire increased species richness, it also enhanced species dissimilarity with ge

189 tested whether: 1) increasing plant species richness leads to more pronounced N gradients as indicat

190 affect ecosystem function without affecting richness, most notably by affecting population densities

191 stress tolerance, avolition, and ideational richness; ND individuals were more likely to exhibit unu

192 ties within the lagoon system exhibited high richness (number of species = 20) and cover (24-35% acro

193 Miombo woodlands had the highest AMF richness, number of novel VT, and number of exclusive an

194 in composition in some communities, species richness of all communities did not change because compo

195 iomes has the potential to shed light on the richness of bacterial biosynthetic diversity hidden in t

196 Compared with healthy soils, OTU richness of beneficial microorganisms were significantly

197 mprised of a data model that can capture the richness of biological data, and an inference engine tha

198 The scale, resolution and richness of biological information presented here facili

199 The richness of both groups of soil fungi declined and the o

200 trate that patterns of species abundance and richness of colonizing aquatic beetles are determined by

201 ring and further narrows the gap between the richness of crystal structures found with atoms and in s

202 modern biodiversity-the high to low species richness of different clades-has been hard.

203 Both intra- and interspecific identity and richness of ECM fungi regulate ecosystem multifunctional

204 we test the hypothesis that the identity and richness of ectomycorrhizal (ECM) fungi at the intra- an

205 l thresholds in biodiversity (namely species richness of ectomycorrhizal fungi, epiphytic lichen and

206 th carbon storage, as expected, but that the richness of endemic savanna woody plant species declines

207 ive neuroscience have not always matched the richness of fMRI data.

208 rsity significantly declined with increasing richness of introduced earthworm ecological groups.

209 Furthermore, the predicted richness of invaders is 11%-18% significantly lower insi

210 In contrast, the richness of invasive species is high in the more recentl

211 Our report for the first time shows the richness of microbial diversity in the Kerala coast and

212 of ecosystem processes (e.g., abundance and richness of nursery taxa, flow attenuation).

213 anisms were significantly decreased, but OTU richness of pathogenic microorganisms were significantly

214 red without any detectable change in species richness of plants or butterflies along the gradient of

215 to generally increase abundances and species richness of poikilotherms at local and regional scales.

216 The findings highlight the richness of polar topologies possible in ultrathin ferro

217 The richness of sensory input dictates that the brain must p

218 The richness of species associated with open landscapes, tha

219 may foster the generation, maintenance, and richness of spontaneous activity.

220 In contrast, permafrost soils have a lower richness of stress response genes, and instead the metag

221 ans have very broad diets, and the increased richness of taxa that include plants in their diet likel

222 Within a tight-binding framework this richness of the electronic behavior is identified as a d

223 d circumstances, especially according to the richness of the least variable option [2].

224 Although the OTU richness of the microbiome is decreased by sleep restric

225 The species richness of the microbiota was greater in wild than labo

226 t pyrodiversity is positively related to the richness of the pollinators, flowering plants, and plant

227 p-sea species will likely shift the relative richness of these three families, emphasizing the need t

228 We observed a decrease in richness of Tomentella, Inocybe and other taxa adapted t

229 ulations to investigate how local plot-scale richness of tree species (alpha-diversity) and their tur

230 and abundance increased at both scales, and richness on farms embedded in complex relative to simple

231 that mites increase bacterial diversity and richness on the carcass, but do not reduce bacterial abu

232 dth was unrelated to competitor and predator richness, on both islands and the mainland.

233 d not significantly alter either the species richness or abundance of other galler species.

234 t correlated with either high overall domain richness or changes in the domain composition.

235 microbiome, we find no overt changes in the richness or composition induced by sleep restriction.

236 Microbial richness or diversity in fecal samples were not affected

237 While plant species richness or evenness did not change with earthworm invas

238 ee groups did not differ in terms of species richness or phylogenetic diversity.

239 ort-term hospitalization does not impact the richness or structure of this community, suggesting that

240 based on empirically measured flower species richness or wildflower viewing utility based on multinom

241 c declines in biodiversity (i.e., occupancy, richness, or evenness) at the community level.

242 est that the latitudinal gradient in species richness originates, at least partly, from population-le

243 However, soil pH (P < 0.05), species richness (P < 0.01), and percentage grass content (P < 0

244 ut, a finding accompanied by a reduced phage richness (P = 0.01).

245 ects model showed no difference in community richness (p = 0.15) and Shannon alpha-diversity (p = 0.4

246 ty in mattress dust samples as determined by richness (P = 8.1 x 10(-6) ) and Shannon index (P = 1.3

247 U) richness (p=0.0012), Chao estimated total richness (p=0.0004), and Shannon diversity index (p=0.00

248 he observed operational taxonomic unit (OTU) richness (p=0.0012), Chao estimated total richness (p=0.

249 ol patients, as measured by the observed OTU richness (p=0.0147), Chao estimated total richness (p=0.

250 TU richness (p=0.0147), Chao estimated total richness (p=0.023), and Shannon diversity index (p=0.008

251 re often weak and inconsistent with observed richness patterns.

252 tion-level processes and broad-scale species-richness patterns.

253 Vascular plant-species richness peaked at an intermediate level of anthropogeni

254 hic groups?; and (iii) How well does species richness perform as an indicator of CES value compared w

255 response to manipulated gradients of species richness, precipitation, temperature, nitrogen fertiliza

256 al rate-driven differences in native species richness prior to invasion by a non-native zooplankter,

257 ffects on primary production under invariant richness ranged from -75% to +10%.

258 corresponding with declines in tree species richness, regeneration, and survival of the dominant tre

259 phic origin) can explain present-day species richness relative to current climate, topography, and cl

260 he drivers of alien introduction and species richness remain poorly understood.

261 Allelic diversity and richness remained low in the remaining two, more isolate

262 elevance for mixed stands of varying species richness remains poorly understood.

263 s, probabilistic estimates of future species richness show considerable stability in the currently ob

264 essure is key to understanding alien species richness, show that areas of high native species richnes

265 examined as a function of resident community richness, species composition and resource availability.

266 Species richness (SR) and functional group richness (FGR) are of

267 diversity and functional diversity, species richness (SR) showed stronger associations and better di

268 The ileal bacterial richness tended to decrease when the dietary protein con

269 ubjects with halitosis had greater bacterial richness than those of healthy subjects.

270 Due to their intermediate electron-richness, they are not amenable to any of the previously

271 highly accurate method of estimating species richness to 875 ecological samples.

272 Theory relating species richness to ecosystem variability typically ignores the

273 previous studies directly correlated species richness to elevational gradients of potential drivers,

274 However, the general response of species richness to N deposition across different vegetation typ

275 te group not only encompassed comparable OTU richness to that of the total community and maintained h

276 onor to acceptor, and this adds considerable richness to the mediation process.

277 Further, we discover that genus richness today does not match the fossil relationship, s

278 relative abundance of phylotypes) but not by richness, total abundance of fungi and bacteria or the f

279 esults provide more evidence that sub-global richness trends are stable or increasing, and highlight

280 We found positive richness trends in eight of nine regions, four of which

281 tics, species traits, and non-native species richness using binomial logistic regression.

282 vestigated across a gradient of tree species richness using molecular high-throughput sequencing and

283 round level was halved at lit sites, species richness was >25% lower, and flight activity at the leve

284 sity across analyses, while rarefied species richness was a weak correlate of PMP.

285 Native species richness was greater at the moderate dispersal rate than

286 plant cover was reduced to <10% and species richness was halved in lakes in which carp biomass excee

287 While regional clonal richness was high, most clones were rare: 16 clones were

288 Second, species richness was higher in riffle mesohabitats when mesohabi

289 across 20 sites showed that sessile species richness was positively correlated to mussel abundance i

290 Higher species accumulation curve richness was significantly associated with inhibition of

291 6S rRNA gene, we found that alpha-diversity (richness) was more variable at a given sampling date (sp

292 g a relationship between woody plant species richness, water and energy regimes.

293 Season-long bee abundance and richness were not detectably different between natural a

294 with kinetic energy predicting shallow-water richness, while chemical energy (export productivity) an

295 resent were characterized by greater species richness, while the cuckoo was absent from sites with lo

296 Mean bee richness will decline 8-18% within future coffee-suitabl

297 ty, due to the ubiquitous scaling of species richness with area.

298 ttress and nasal samples, the association of richness with farming in nasal samples was restricted to

299 rsers approximately doubled seedling species richness within canopy gaps and halved species turnover

300 have a significant rise in alpha-diversity (richness within sample) from birth to <4 years of age, w