ライフサイエンスコーパス: species richness

1 role of geomorphology in shaping patterns of species richness.

2 ntially increase current estimates of insect species richness.

3 ccount for elevational and other patterns of species richness.

4 te are associated with significantly reduced species richness.

5 han the functional diversity of seed mass or species richness.

6 logical competition exerts an upper limit on species richness.

7 ntraspecific variation is to reduce expected species richness.

8 mpetition that yields finite upper bounds on species richness.

9 more powerful detection of the variation in species richness.

10 predictor to explain macro-scale patterns of species richness.

11 aintop to produce taxon-specific patterns of species richness.

12 elevated CO2, in communities of low or high species richness.

13 reater impacts on ecosystem functioning than species richness.

14 at productivity is a poor predictor of local species richness.

15 ost populations as well as patterns of local species richness.

16 d-use intensification) on intransitivity and species richness.

17 omprehensive database of 94 manipulations of species richness.

18 diversity measures in broader fields such as species richness.

19 study how total fish production changes with species richness.

20 patterns of guild interaction, regardless of species richness.

21 65% of sites and was associated with higher species richness.

22 heries yield at approximately 40% of initial species richness.

23 Regions worldwide differ markedly in species richness.

24 ukaryotic organisms, leading to a decline in species richness.

25 ting species, adequately explain patterns of species richness.

26 re clades, maintaining an overall balance in species richness.

27 t vary widely in spatial isolation and total species richness.

28 functional diversity in proportion to their species richness.

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

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

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

32 es of individual species, rather than simple species richness.

33 le the cuckoo was absent from sites with low species richness.

34 sin-wide differences in native or non-native species richness.

35 ree height also act as ecological filters on species richness.

36 ding the phylogenetic and spatial pattern of species richness.

37 n ecosystem function arising from changes in species richness.

38 alysis using a global map of large carnivore species richness.

39 erall increased biomass (+16%) and decreased species richness (-14%) across latitudes in Europe and N

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

41 ance (80%), biodiversity (50%), and nematode species richness (25%).

42 ty explained substantially more variation in species richness (40-56%).

43 ity in total (82.3%), coral (80.6%) and fish species richness (77.3%), for which the greatest decline

44 ion of a hump-shaped elevational gradient of species richness, a pattern widely observed empirically.

45 hort-term responses, while for others (plant species richness, abundance of invertebrate herbivores a

46 rough comparison of micro- and macroparasite species richness across a large number of carnivore, pri

47 rojected climate and wildfire decreased tree species richness across a large proportion of the study

48 f bioluminescent sexual displays drives high species richness across animal lineages, providing a cru

49 egories, thereby predicting distributions of species richness across genera or families and the depen

50 he spatial distribution of tuna and billfish species richness across the North Pacific basin.

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

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

53 ntifying and unifying discordant patterns of species richness along geographical gradients.

54 Maximum tree height co-varied with species richness along gradients from benign to harsh en

55 nt clear empirical evidence that declines in species richness along gradients of environmental stress

56 deposition has been shown to decrease plant species richness along regional deposition gradients in

57 e showed that carp was a key driver of plant species richness along with Secchi depth, lake area and

58 l environments and the dramatic variation in species richness among animal phyla.

59 tionship exist between native and non-native species richness and (2) do non-native species originate

60 even within some human-dominated land uses, species richness and abundance are higher in protected s

61 block and tree community structure, endemic species richness and abundance, and IUCN Red-listed spec

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

63 the success of angiosperms, both in terms of species richness and biomass dominance, but remain under

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

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

66 in syntrophic communities that promote high species richness and bolster community stability during

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

68 KN-G) or no relationship (for KN-F) between species richness and canopy N distribution, but emphasiz

69 ons", could unveil the relationships between species richness and climate without such drawbacks.

70 structural components are important to fish species richness and community composition, but little i

71 e measured as potential predictors of fungal species richness and community composition.

72 ive approaches to assess locations with high species richness and community persistence relative to l

73 unctioning experiments have established that species richness and composition are both important dete

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

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

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

77 ments to examine the effects of variation in species richness and composition within a community of w

78 c levels of evenness, rather than changes in species richness and composition, affect invertebrate pa

79 sity is fundamental for understanding global species richness and conserving biodiversity essential t

80 , created a persistent increase in community species richness and cover over prefire levels.

81 Changes in species richness and distributions of ectomycorrhizal (E

82 has a positive linear relationship with both species richness and diversification rate at two differe

83 The proportion of legumes, species richness and diversity increased across the expe

84 The association between species richness and ecosystem energy availability is on

85 complementary diversity measures, including species richness and entropy, at fractional repertoire c

86 Fish species richness and functional diversity were among the

87 among sister species increases with overall species richness and is elevated in more productive ecos

88 e, with reported effects on species biomass, species richness and length of trophic chains.

89 There were negative relationships between species richness and N deposition in 36% of 44 community

90 We tested how differences in species richness and origin affect productivity and seed

91 >1,000 lichenized species with variation in species richness and phenotypic traits that hinted at a

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

93 l warming could, in some cases, increase the species richness and productivity of phytoplankton commu

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

95 ely reproduced empirical spatial patterns of species richness and range midpoints.

96 test whether niche evolution was related to species richness and rates of diversification across gen

97 gionally-based responses of total abundance, species richness and Simpson's diversity to land use, ca

98 Quantitative relationships between species richness and single environmental factors, also

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

100 tive amount of ITV decreased with increasing species richness and spatial extent, but did not vary wi

101 Here we show that vegetation (abundance, species richness and species composition) across seven E

102 morphic controls on elevational gradients of species richness and support the use of the landscape el

103 plots along a gradient of FD, independent of species richness and testing for the effects of FD and c

104 udies report a positive relationship between species richness and the number of ecosystem functions.

105 y studies have shown elevational patterns in species richness and turnover, little is known about how

106 cts on extent of suitable fish habitat, fish species richness, and abundance of the two most common f

107 yzed in relation to nitrogen input, soil pH, species richness, and functional group composition.

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

109 nents to different taxa of macrofauna, total species richness, and individual coral and fish species

110 tionship between invasion success and native species richness, and large-scale comparative studies fi

111 ait functional diversity and divergence, and species richness, and measured plant and microbial uptak

112 show a decline in total seed abundance, seed species richness, and the abundance of forbs, sedges and

113 veys to compare avian community composition, species richness, and the densities of local species at

114 es affect biodiversity components other than species richness, and whether impacts differ across spat

115 ative relationships between N deposition and species richness are common, albeit not universal, and t

116 How ecosystem productivity and species richness are interrelated is one of the most deb

117 ies richness, show that areas of high native species richness are not resistant to colonisation by al

118 Gains to species richness are partly caused by higher organism ab

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

120 mit cultural ecosystem services (CES) or use species richness as a proxy and assume that more species

121 es not have as significant an effect on host species richness as we might expect; although parasites

122 ally decreasing population sizes, decreasing species richness at local and regional scales, and incre

123 imodal relationship between productivity and species richness at regional and global scales, which th

124 years ago (mya), with a dramatic increase in species richness beginning approximately 50 mya.

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

126 tocene, which further explain differences in species richness between both genera.

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

128 c preferences among images were unrelated to species richness but increased with more abundant flower

129 preterm infants, have non-uniform effects on species richness, but these can be predicted with 85% ac

130 s appear to be effective at restoring native species richness, but they are not necessarily beneficia

131 bitats, these pressures reduce within-sample species richness by an average of 76.5%, total abundance

132 worldwide in terms of their impact on local species richness by conducting a categorical meta-analys

133 mpetition implies that incumbency constrains species richness by restricting niche availability, and

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

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

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

137 azilian Cerrado by analyzing how woody plant species richness changed with carbon storage in 206 site

138 ed addition enhanced aboveground biomass and species richness compared with no-seeds-added controls,

139 e contribution to ecosystem services made by species richness, composition and abundance in four larg

140 00 km(2) region, and analyzed bee abundance, species richness, composition, and life-history traits.

141 Marks et al. showed tree species richness correlates with maximum tree height, an

142 We found that overall species richness decreased, with 20 species detected exc

143 eding distributions are manifested in actual species richness depends on landcover.

144 ergy (eco-exergy per unit biomass), although species richness did increase.

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

146 ant biomass and seed viability, but wireworm species richness did not impact these plant metrics.

147 After accounting for variation in species richness, dispersion of phylogenetic, diet and f

148 Here, we demonstrate changes in species richness, diversity and evenness over a wide ran

149 e characterized by increases or decreases in species richness, diversity, evenness, and density, and

150 Increasing parasite species richness does not have as significant an effect

151 Our finding that a few common species, not species richness, drive ecosystem service delivery could

152 Despite considerable variation in species richness effects across the continent, we found

153 stories and account for different degrees of species richness effects.

154 earch toward achieving convergence in global species richness estimates for coral reefs and other eco

155 orphotypes within the UK-1 contract area but species-richness estimators suggest this could be as hig

156 es of wildflower communities in which flower species richness, flower abundance, species evenness, co

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

158 We found that, while species richness for plants and invertebrate herbivores

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

160 g relationship between native and non-native species richness found at different spatial scales.

161 The decline of species richness from equator to pole, or latitudinal di

162 isms responsible for the general increase in species richness from temperate regions to the tropics r

163 evels of prey selectivity can explain a high species richness, functional biodiversity, and variabili

164 ental predictors of deep-sea (2,000-6,500 m) species richness fundamentally differ from those found i

165 ate the need for accurately documenting such species richness, given the importance of these lichens

166 lematic because there is little support that species richness gradients are associated with the facto

167 een assessed with regard to nestedness along species richness gradients.

168 Species richness has long been used as an indicator of e

169 ve views, including the null hypothesis that species richness has simply had more time to accumulate

170 ast decade, new methods of estimating global species richness have been developed and existing ones i

171 ll portion of this figure, with unrecognized species richness hidden among little-studied, tropical m

172 e parts of the variance of the newly defined species richness, highlighting that, at the local scale,

173 Continental aquatic species richness hotspots are unevenly distributed acros

174 i) the use of functional richness instead of species richness, ii) an increased production efficiency

175 y with components of biodiversity, including species richness?; (ii) How do aesthetic preferences for

176 on exceeded critical loads for loss of plant species richness in 24% of 15,136 sites examined nationw

177 show that biomass production increases with species richness in a wide range of wild taxa and ecosys

178 omplexity revealed a non-additive decline in species richness in areas of low complexity and the rese

179 ort for temperature as the main predictor of species richness in both plants and animals.

180 detected a predominant signal of increasing species richness in coastal systems since 1962 in our da

181 n and suggest that N deposition is affecting species richness in forested and nonforested systems acr

182 relationship between productivity and plant species richness in grassland communities.

183 show that seasonal patterns of abundance and species richness in human-altered landscapes varied sign

184 e relationship between native and non-native species richness in local assemblages was found at the g

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

186 ished studies containing 1008 comparisons of species richness in managed and unmanaged forests and de

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

188 ctions were measured along gradients of tree species richness in six regions across Europe, we invest

189 Furthermore, species richness in the bacterial community is shaped by

190 esults shedding light on the higher level of species richness in the southern subregion.

191 er an explanation or a consequence of higher species richness in the tropics, also suggesting that co

192 ation has a profound influence on diversity; species richness increased with the spatial scale of see

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

194 Globally, species richness is 10.6% higher and abundance 14.5% hig

195 This underscores a growing realization that species richness is a crude and insensitive metric and t

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

197 Species richness is distributed unevenly across the tree

198 Local species richness is found to be related to the landscape

199 It also implies that species richness is important because it provides a pool

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

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

202 However, species richness is typically dependent on a variety of

203 Species richness is, on average, 10.5% higher in organic

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

205 While fire increased species richness, it also enhanced species dissimilarity

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

207 We show that in terms of local species richness loss, forest management types can be ra

208 and other ecosystems, apparent constancy in species richness may mask major changes in species compo

209 g., we are no better able to estimate global species richness now than we were six decades ago.

210 d mountain building - strongly shape current species richness of Africa's arid-adapted taxa.

211 l change in composition in some communities, species richness of all communities did not change becau

212 However, as shown here, the species richness of big carnivores was greater in the Pl

213 r role in the high diversification rates and species richness of diatoms, a mechanistic understanding

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

215 Altitude did not affect species richness of ECM fungal communities, but strongly

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

217 the results highlight the surprisingly high species richness of freshwater habitats, which are nearl

218 Although the species richness of native passerines was remarkably sim

219 Islands with invasive rats had reduced species richness of passerines and a different community

220 esults suggest that in the Falkland Islands, species richness of passerines is not resistant to invas

221 es occurred without any detectable change in species richness of plants or butterflies along the grad

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

223 esting that ecological factors influence the species richness of radiating clades within these ecosys

224 Our analysis shows that species richness of reef fish top predators is relativel

225 The overall species richness of the family is well explained by high

226 of biotic resistance based solely on native species richness of the invaded community.

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

228 of 4 degrees C led to a 67% increase in the species richness of the phytoplankton, more evenly-distr

229 r size classes had a diversifying influence; species richness of the survivors was up to 30% greater

230 The causes of the species richness of tropical trees are poorly understood

231 Comparing species richness of various animal taxa among logged and

232 We found no effect of carnivore species richness on herbivore-initiated indirect effect

233 study, we focused on the diverse patterns of species richness on mountainsides.

234 We show that species richness on the archipelago is in an ascending p

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

236 While plant species richness or evenness did not change with earthwo

237 d not differ significantly from mucositis in species richness or evenness.

238 aries-free groups did not differ in terms of species richness or phylogenetic diversity.

239 ranked based on empirically measured flower species richness or wildflower viewing utility based on

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

241 Predicted distributions of species richness over genera or families for birds, arth

242 observed a significant increase in microbial species richness over the course of the trial, which cou

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

244 ummary, our results illuminate the causes of species richness patterns in a group containing most liv

245 When applying it to study woody species richness patterns in Spain, we observed that ann

246 instrument to detect key factors underlying species richness patterns, and that it could have numero

247 n population-level processes and broad-scale species-richness patterns.

248 Vascular plant-species richness peaked at an intermediate level of anth

249 ychographic groups?; and (iii) How well does species richness perform as an indicator of CES value co

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

251 e to their striking ecological diversity and species richness, present an ideal opportunity to test t

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

253 2%-117%, corresponding with declines in tree species richness, regeneration, and survival of the domi

254 How species richness relates to environmental gradients at l

255 f geographic origin) can explain present-day species richness relative to current climate, topography

256 Estimates of global species richness remain highly uncertain and are often l

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

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

259 ult to validate because estimation of global species richness requires extrapolation beyond the numbe

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

261 ation pressure is key to understanding alien species richness, show that areas of high native species

262 cal bat surveys for the emerging patterns of species richness (SR) and compositional variation across

263 Species richness (SR) and functional group richness (FGR

264 index of diversity and functional diversity, species richness (SR) showed stronger associations and b

265 use of a novel measure of potential loss of species richness, standardizing local species loss to an

266 unctionality increased with increasing local species richness, suggesting a limited degree of multifu

267 Counter to our hypothesis, species richness tended to cause a decline in mean biocr

268 ting in faunas orders of magnitude higher in species richness than faunas assembled by immigration al

269 ginated from river basins with higher native species richness than the basin of the invaded community

270 land plants but exhibit substantially lower species richness than the more recently derived angiospe

271 how the expected overall poleward decline in species richness, the trends differ between the coasts,

272 ish assemblages show no systematic change in species richness through time, but steady change in spec

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

274 Model parameters showed that carp reduced species richness to a similar degree across lakes of var

275 Theory relating species richness to ecosystem variability typically igno

276 r, most previous studies directly correlated species richness to elevational gradients of potential d

277 ental approach to investigate the ability of species richness to maximize and stabilize biocrude prod

278 However, the general response of species richness to N deposition across different vegeta

279 racteristics, species traits, and non-native species richness using binomial logistic regression.

280 were investigated across a gradient of tree species richness using molecular high-throughput sequenc

281 iotic and abiotic factors that determine how species richness varies with elevation is still elusive.

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

283 Species richness was a poor surrogate for phylogenetic o

284 Also, when ignoring species identity, species richness was a significant negative predictor of

285 on diversity across analyses, while rarefied species richness was a weak correlate of PMP.

286 Native species richness was greater at the moderate dispersal r

287 uch that plant cover was reduced to <10% and species richness was halved in lakes in which carp bioma

288 Second, species richness was higher in riffle mesohabitats when

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

290 oss using a relationship between woody plant species richness, water and energy regimes.

291 Global species richness, whether estimated by taxon, habitat, o

292 four new and independent estimates of beetle species richness, which produce a mean estimate of 1.5 m

293 introduced a new index related to potential species richness, which revealed large scale patterns by

294 koo is present were characterized by greater species richness, while the cuckoo was absent from sites

295 odiversity, due to the ubiquitous scaling of species richness with area.

296 An increase in species richness with decreasing latitude is a prominent

297 Changes were also reflected in the potential species richness, with some regions potentially gaining

298 ed dispersers approximately doubled seedling species richness within canopy gaps and halved species t

299 nd this translated into significantly higher species richness within land-sparing concessions.

300 We hypothesized that species richness would lead to higher mean biocrude prod