ライフサイエンスコーパス: species richness

1 equator, and (2) positively correlated with species richness.

2 ic diversity but higher bacterial and fungal species richness.

3 ining spatial variation in global threatened species richness.

4 ture when compared to threshold responses in species richness.

5 eef benthos, and greatly diminished for fish species richness.

6 l patterns of biodiversity focus narrowly on species richness.

7 r the next half century despite increases in species richness.

8 w an opposite pattern to global variation in species richness.

9 unlogged maintains 73 +/- 12% of its unique species richness.

10 ances of colonizing a new area, and changing species richness.

11 ects of biodiversity beyond that captured by species richness.

12 al number of species and overall patterns of species richness.

13 generating a more accurate understanding of species richness.

14 ban parks in Beijing and estimated butterfly species richness.

15 ribution to the latitudinal gradient in tree species richness.

16 oubling in overall abundance and 50% greater species richness.

17 or Conservation of Nature threat levels, and species richness.

18 species richness and coolspots of unimpacted species richness.

19 ts on species evenness and diversity than on species richness.

20 des are the dominant animals of Mono Lake in species richness.

21 butions of species, but no net loss in local species richness.

22 ow intensity systems did not affect yield or species richness.

23 e ask here when and how mutualisms influence species richness.

24 ncomitant with increased megafloral standing species richness.

25 N cycling that were independent of those of species richness.

26 tolerant tree species instead of increasing species richness.

27 ntially increase current estimates of insect species richness.

28 or Near Threatened, but not on overall bird species richness.

29 tional change despite no net change in local species richness.

30 of state variables, like total abundance or species richness.

31 r can also enhance local fish abundances and species richness.

32 ortion of the global variation in threatened species richness.

33 ost diverse, including the highest mammalian species richness.

34 xistent with the Cichlidae demonstrate lower species richness.

35 nimal order increased as a function of their species richness.

36 (2) negatively correlated with oceanic fish species richness.

37 of these stress responses predict endophyte species richness.

38 processes that influence global patterns of species richness(1-6).

39 erall comprise a greater proportion of local species richness (18-72% higher) and total abundance (21

40 pollinator abundance (3.5-fold), native bird species richness (2.1-fold), and abundance of bird speci

41 ease (+84.9%) and showed the largest loss in species richness (-22.9%).

42 n + 20.3%), but it also results in a loss of species richness (-8.9%).

43 response of common biodiversity indicators (species richness, abundance and diversity of native plan

44 Here, we demonstrate that lower coral species richness alone can suppress the growth and survi

45 spots (CES values above the median) based on species richness alone missed 27% of wildflower viewing

46 ctioning (BEF) theory has largely focused on species richness, although studies have demonstrated tha

47 al is to explain the enormous differences in species richness among groups of organisms.

48 ely following the DWH, with a 38% decline in species richness and 26% decline in Shannon-Weiner diver

49 s; instead, they are caused by a decrease in species richness and abundance evenness, leading to decl

50 Here, we relate trends in species richness and abundance from 21,500 terrestrial a

51 t key traits and high trait redundancy-large species richness and abundance supporting the same trait

52 We found that local species richness and abundance typically peaked at highe

53 The highest butterfly species richness and abundance was recorded at parks loc

54 Species richness and abundance were 4.2% and 2% lower, r

55 Urbanisation is driving rapid declines in species richness and abundance worldwide, but the genera

56 to any change in alpha and beta diversities, species richness and abundances of various bacterial tax

57 iodontitis-derived microbiomes showed higher species richness and alpha diversity and clustered with

58 ve browsing and foraging also decreased tree species richness and altered their composition.

59 Here, we assess changes in plant species richness and beta diversity over 140 years at th

60 Following the fire, forb species richness and biomass increased significantly, pa

61 Mean per-sampling event species richness and biomass were significantly higher i

62 the relationship between rates of change in species richness and biotic and abiotic environmental ch

63 gate potential ecological harm by increasing species richness and boosting related ecosystem services

64 Here, we probe spatio-temporal patterns in species richness and community composition using a simpl

65 Here, we examined spatial variation in species richness and composition change using more than

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

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

68 species richness and had various effects on species richness and composition of the insect groups.

69 ng of ecosystems (CAFE), by integrating both species richness and composition through species gains,

70 ghland assemblages face almost a tripling of species richness and compositional and relative abundanc

71 s surface, and identify hotspots of impacted species richness and coolspots of unimpacted species ric

72 ities, yet there have been no reports of the species richness and distribution of butterflies in urba

73 modification of SHI stood second in terms of species richness and diversity but resulted in low bioma

74 Anopheline species richness and diversity decreased from forest edg

75 , we aim to describe large-scale patterns of species richness and diversity in terrestrial vertebrate

76 We also examined bee species richness and diversity with these two survey met

77 ificant vertical stratification in bacterial species richness and evenness (alpha diversity) of the a

78 Both species richness and evenness contributed significantly

79 With the exception of species richness and exponential Shannon diversity, inva

80 Development significantly increased species richness and exponential Shannon diversity, whil

81 ocosm experiment, in which we aim to predict species richness and extinctions of arthropods immediate

82 the most significant impact, and both plant species richness and floral abundance decreased with the

83 Theory suggests that high species richness and functional redundancy could promote

84 or correlations between community abundance, species richness and functional trait metrics with oilse

85 carbon- and sulphur-cycling); and (iv) that species richness and habitat stability are associated wi

86 The elephant disturbance increased butterfly species richness and had various effects on species rich

87 shifted to macroalgal states had the lowest species richness and highest compositional dissimilarity

88 nvestigated the association between predator species richness and incidence of rodent-borne haemorrha

89 rence has been associated with a decrease in species richness and increase in abundance of a few spec

90 nferring thresholds in univariate metrics of species richness and indices of biotic integrity and has

91 We find that lake stability is affected by species richness and lake size in both ecoregions and al

92 icant correlations were detected between the species richness and park age, park area and other bioin

93 Species richness and phylogenetic diversity comparisons

94 ote sensing metrics) and ecological context (species richness and phylogenetic relatedness) in determ

95 asing environmental variability by promoting species richness and portfolio effects.

96 e intensification drives a trade-off between species richness and production.

97 1 to 60 species added across experiments) on species richness and productivity.

98 (BEF) is most often examined by controlling species richness and randomising community composition.

99 matode community were mainly driven by plant species richness and soil available N.

100 irect effects on productivity via changes in species richness and soil pH over an experimental divers

101 mes grown in saliva-serum showed the highest species richness and the highest similarity to the clini

102 e holistic network view, that causally links species richness and the other ecosystem components, is

103 However, there were only weak effects on species richness and the relative abundances of the octo

104 n enrichment also has been shown to decrease species richness and to acidify soils, each of which may

105 vailability influence geographic patterns of species richness and turnover.

106 However, regional variation in plant species richness and vegetation carbon stock can be subs

107 To determine the responses of species richness and yield to conventional intensificati

108 Southeast Asia karst is associated with high species-richness and endemism in plants and seen as prio

109 karst represents a more important source of species-richness and endemism.

110 tance of Brazilian karst with respect to its species-richness and endemism.

111 hat collect robust biodiversity (i.e. beyond species richness) and yield data at the same sites and t

112 as to the south and offshore that have lower species richness, and higher temporal species community

113 ndings, explore what is known about parasite species richness, and identify some potential next steps

114 -scale increases and decreases in abundance, species richness, and temporal species replacement (turn

115 HFD-fed mice exhibited a reduction in fecal species richness, and that TCS further diminished microb

116 d species than would be expected given their species richness, and whether that is consistent across

117 of large fishes, fishery value, and/or fish species richness are high, despite low coral cover.

118 how Amazonian fish community composition and species richness are influenced by water type, we conduc

119 udies, which find that native and non-native species richness are positively related at broad scales

120 phic regions and the latitudinal gradient of species richness are thought to be influenced, in part,

121 al correlates of global patterns in standing species richness are well understood, it is poorly known

122 tal size, many small patches generate higher species richness, are more likely to contain predators,

123 partly attributable to the decline in local species richness, as well as reduction in asynchronous l

124 ations were observed between the exposure to species richness at baseline and the onset of asthma and

125 ronmental and geographic variables, regulate species richness at different scales by modulating speci

126 Despite no net change in species richness at the spatial scale of a study site, t

127 vels of heterogeneity may cause a decline in species richness because it reduces the amount of effect

128 rs are also important, with native and alien species richness being strongly and consistently positiv

129 Understanding heterogeneity in species richness between closely related clades is a key

130 ave been captivated by the vast disparity in species richness between different groups of organisms.

131 We recover no significant increase in species richness between the Late Triassic and the Creta

132 to benthic sampling methods and may include species richness beyond what is measurable by sampling a

133 ng a distinct biotic composition and reduced species richness, biomass and soil organic matter.

134 Species richness, biomass, abundance, total bite rates a

135 fy the causal networks linking phytoplankton species richness, biomass, and physicochemical factors.

136 While human pressures had no influence on species richness, both body size and shark abundance res

137 d that productivity generally increases with species richness, but less is known about effects of wit

138 reefs are declining dramatically and losing species richness, but the impact of declining biodiversi

139 However, the increase in species richness by overcoming seed limitation did not l

140 The BEF theory states that higher species richness can enhance ecosystem functioning.

141 elationship between environmental change and species richness change can be quantified will reveal th

142 Hawaiian archipelago, we infer the rates of species richness change for 14 endemic groups over their

143 Our results show that high species richness commonly observed at low latitudes is n

144 remarkable reduction in gene and metagenomic species richness compared with healthy subjects.

145 nity on soil bacterial and fungal diversity (species richness, composition and beta-diversity) in a d

146 00 km(2) region, and analyzed bee abundance, species richness, composition, and life-history traits.

147 The causes of continental patterns in species richness continue to spur heated discussion.

148 Although many studies have shown that species richness decreases from low to high latitudes (t

149 ests that mutualisms can promote or restrict species richness depending on mutualist function, the le

150 Decades of research suggest that species richness depends on spatial characteristics of h

151 While species richness did not change, species composition and

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

153 s, can have profound impacts on estimates of species-richness, distribution ranges and estimates of e

154 We examined bee abundance, species richness, diversity, and species assemblages in

155 We observed a decrease in species richness during the winter, with a slow recovery

156 taxa to land use than widely used metrics of species richness, effective species numbers, and phyloge

157 onal differences between species can explain species richness effects, empirical evidence regarding f

158 ) assembled to date, to identify hotspots of species-richness, endemism and threatened species for th

159 Rhizobacterial species richness enhanced per pot above- or below-ground

160 Here, we show that, after controlling for species richness, environmental factors, such as tempera

161 ich implies protective effects from predator species richness, epidemiological evidence is needed to

162 However, unlike species richness, evolutionary diversity does not contin

163 other resources, plant diversity [effective species richness, exp(H)], and community change (plant s

164 determines the global distribution of alien species richness for an entire taxonomic class.

165 hich represent more than 85% of the reported species richness for the country.

166 elationship between changing island area and species richness for the Hawaiian archipelago, we infer

167 a BEF experiment, we tested the impact of a species richness gradient (0, 1, 3, 5 or 6 species per c

168 High species richness has been documented in tropical agrofor

169 quitoes has increased by ~ 60% and statewide species richness has increased by ~ 10% since 2001.

170 While taxonomic measures like species richness have been implemented, they do not full

171 produced strikingly accurate predictions of species richness immediately after the habitat loss dist

172 Because regional species richness impact metrics refer to different speci

173 Translating regional species richness impacts into global impacts allows for

174 large gains, resulting in a net increase in species richness in all regions.

175 mportance of continental-scale processes for species richness in individual assemblages.

176 predictions of forest ground-floor bryophyte species richness in Limburg (Belgium), based on crowd- a

177 spite the history of disturbance and despite species richness in low- and medium-yielding agriculture

178 ve density dependence may even help maintain species richness in natural communities.

179 ge gap by testing for multi-decade trends in species richness in nine open marine regions around Nort

180 Also in agreement with observations, species richness in our model attains an equilibrium des

181 habitat amount hypothesis predicts that (1) species richness in plots of fixed size (species density

182 ds credence to the argument that exceptional species richness in the tropics reflects species accumul

183 pressure: we find both greater reductions in species richness in the types of land use most disturbed

184 rcept and slope as a function of archipelago species richness, in turn shaped by taxon differences an

185 n Oregon and the southern California Current species richness increased as did abundances of species

186 very 10 species of seed added, we found that species richness increased by about two species.

187 Species richness increased from approximately 8 species

188 ncurrent declines in birch frequency as tree species richness increased.

189 th the collective experimental evidence that species richness increases community biomass production,

190 atitudinal Diversity Gradient (LDG), whereby species richness increases towards the Equator, results

191 Island biogeography theory posits that species richness increases with island size and decrease

192 lized difference vegetation index (NDVI) and species richness index (SRI) were assessed at baseline t

193 ies might be expected to occur where overall species richness is also high; however, this explains on

194 We find that, globally, alien bird species richness is currently highest at midlatitudes an

195 relationship between plant productivity and species richness is one of the most debated and importan

196 re important within the tropics, where plant species richness is positively associated with the amoun

197 icially constructed communities (mesocosms), species richness is positively correlated with yield, al

198 supply, substantiating the idea that global species richness is regulated by resource availability.

199 e extraordinarily diverse, but the estimated species richness is very much debated.

200 nges and where wildlife biodiversity (mammal species richness) is high.

201 ness was higher than expected by the loss of species richness, leading to communities of phylogenetic

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

203 However, species richness losses were often not significantly dif

204 cies communities if not for nitrogen-induced species richness losses.

205 al reefs, and suggest that the loss of coral species richness may trigger negative feedback that caus

206 ey predator community attributes: vertebrate species richness, mean maximum body size, and shark abun

207 Increasing network size also increases species richness monotonically, producing characteristic

208 mperature changes in the marine realm, where species richness mostly increases with warming.

209 network, composed of the interactions among species richness, nutrient cycling, and phytoplankton bi

210 built networks from correlations between the species richness of 16 trophic groups, 10 ecosystem func

211 There was no relationship between the species richness of a habitat and its conservation value

212 emorrhagic fever with renal syndrome and the species richness of both avian and mammalian predators;

213 tocooperating ants + spiders); abundance and species richness of Diptera, pollinator insects, spiders

214 f several thresholds in biodiversity (namely species richness of ectomycorrhizal fungi, epiphytic lic

215 his controversy lies the question of whether species richness of individual grid cells is controlled

216 Species richness of marine mammals and birds is highest

217 We experimentally manipulated the species richness of marine phytoplankton communities und

218 The abundance, diversity and species richness of phytophagous Coleoptera and total pr

219 were to assess the abundance, diversity and species richness of phytophagous, pollinators and predat

220 edicted to generally increase abundances and species richness of poikilotherms at local and regional

221 overed 65% of threatened and ~30% of endemic species richness of primary Atlantic forest.

222 Together with the extreme species richness of some tropical mountains, this variat

223 reet trees at further spatial distances, and species richness of street trees at any distance, were n

224 The species richness of the microbiota was greater in wild t

225 We then compared OTU richness with species richness of two relatively well-studied organism

226 y of point data may have under-estimated the species-richness of Brazilian karst, it likely represent

227 Plant species richness (of all living stems >10 cm in diameter

228 ere, we show that the local alpha diversity (species richness) of plants found in quadrats and transe

229 fect of early-life exposure to greenness and species richness on the development of allergic diseases

230 We show that positive effect of species richness on tree abundance only prevails in eigh

231 , but did not significantly alter either the species richness or abundance of other galler species.

232 ined that individual quantities (e.g., total species richness or nutrients) were not significant pred

233 mass and multidimensional trait space, while species richness or phylogenetic diversity is the most i

234 lts suggest that the latitudinal gradient in species richness originates, at least partly, from popul

235 lso highlights possible temporal declines in species richness over 30 years and thus the need for fut

236 zoos with many animals, large animals, high species richness (particularly of mammals), and which ar

237 rsity gradient that is in agreement with the species richness patterns documented here and previously

238 limate change and why they often have shared species richness patterns, biogeographic regions, biomes

239 dance of heterospecifics rather than by tree species richness per se.

240 Here, we report that the abundance, species richness, phylogenetic diversity, and functional

241 In contrast, mariculture species richness potential is projected to increase by a

242 future decline of 1.3% and 5% in mariculture species richness potential under RCP 2.6 ('strong mitiga

243 a substantial redistribution of mariculture species richness potential, with an average of 10%-40% d

244 (ANPP) response to manipulated gradients of species richness, precipitation, temperature, nitrogen f

245 effects of ecological predictors and spatial species richness predictions differ strongly between the

246 sets and compare the parameter estimates and species richness predictions.

247 underwent a severe decline in high latitude species richness presaged by ecologic reorganization dur

248 dispersal rate-driven differences in native species richness prior to invasion by a non-native zoopl

249 length and geographic range, in addition to species richness, productivity, seasonality and water te

250 plant-derived carbon inputs at higher plant species richness (PSR).

251 nential increase in sequence-based protistan species richness published from field surveys in recent

252 2%-117%, corresponding with declines in tree species richness, regeneration, and survival of the domi

253 nties remain of how global change impacts on species richness, relative abundance and species composi

254 ion in the drivers of alien introduction and species richness remain poorly understood.

255 The fact that species richness remained low as both community stabilit

256 s, its relevance for mixed stands of varying species richness remains poorly understood.

257 munity assembly, altering post-assembly host species richness, richness-independent host phylogenetic

258 oral variation in AMF OTU richness and plant species richness, root biomass, minimal changes in soil

259 al paradigm is grounded in first principles: species richness scales with area, and surface area and

260 se biases, probabilistic estimates of future species richness show considerable stability in the curr

261 Within the human-modified landscape, species richness, species abundance and community compos

262 Here, we investigated how phytoplankton species richness (SR) and class richness (CR) determine

263 ition match terrestrial flowering or whether species richness steadily accumulates over the grass pol

264 In arthropod community ecology, species richness studies tend to be prioritised over tho

265 In species richness studies, citizen-science surveys where

266 eta-analysis revealed that bee abundance and species richness tended to increase in response to fire,

267 ob/ob mice exhibited lower species richness than control mice, while E2-treated mic

268 Nesobasis has higher species richness than most endemic island damselfly gene

269 y "bottleneck" by substantially reducing its species richness, then subsequent radiations may be rest

270 umans have significantly increased herbivore species richness through introductions in many parts of

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

272 ize variation and stand basal area) and tree species richness to better understand drivers of latitud

273 Theory relating species richness to ecosystem variability typically igno

274 Global analyses reveal hotspots of species richness, together generating a rare bimodal lat

275 hen, we show how coral biodiversity metrics (species richness, total abundance and probability of int

276 habitats likely due to different macrophyte species richness, underlying hard substrate in natural m

277 cover model predictors explained part of the species richness variability but not relative abundance

278 nce at ground level was halved at lit sites, species richness was >25% lower, and flight activity at

279 While plant species richness was controlled by climate and soil wate

280 hip between the size, number of patches, and species richness was greatly affected by insufficient mo

281 Site coral species richness was highest at Darwin and Wolf.

282 Total species richness was highest in the southern portion of

283 Species richness was negatively related to dietary niche

284 surveys across 20 sites showed that sessile species richness was positively correlated to mussel abu

285 ded at parks located at the edge of city and species richness was significantly positively correlated

286 Seagrass-associated epifaunal species richness was twice as high surrounding the modif

287 While insect species richness was unaffected by fertiliser treatment,

288 Overall, our results show that while insect species richness was unaffected by fertilisers, network

289 With the exception of districts with low species richness, we found a significant negative associ

290 communities (i.e. total density, biomass and species richness) were positively related to microhabita

291 hogens-and are most effective at maintaining species richness when genetic diversity is relatively lo

292 Thus, we hypothesize that rhizobacterial species richness will alter sorghum (Sorghum bicolor L.)

293 On average, species richness will increase by 26%, while species com

294 g the relative impact of these mechanisms on species richness will require the integration of new phy

295 d the association of street tree density and species richness with antidepressant prescribing for 975

296 The increase in species richness with island area (ISAR) is a well-estab

297 and analyzed correlations between butterfly species richness with park variables (age, area and dist

298 t is required to obtain accurate measures of species richness within a region.

299 uding the recovery of threatened and endemic species richness, within isolated secondary forest (SF)

300 of log response ratio applied to measures of species richness yielded better accuracy than the common