Abstract
Forests are naturally extensive tracts. However, in South Africa natural fires over many millennia have reduced forested areas into small remnants spread throughout a grassland matrix. Small patches, especially distant patches, are generally considered to be adverse for forest specialists, owing to decreased forest interior and increased edge. Here we test this assumption by determining the impact of forest interpatch distance and patch size on epigaeic arthropod diversity in this globally rare vegetation type. Forty patches were selected: ten large (100–435 m diameter) that are distant (500–645 m) from other patches, ten large that are close to other patches (38–97 m), ten small (30–42 m) that are distant, and ten small-close patches. Each patch had two plots: edge and interior. Arthropods were sampled using pitfall traps, Berlese-Tullgren funnels and active searches. Interiors and edges had similar species richness and composition, excluding spiders, which were richer in interiors. Patch size significantly influenced species richness of predatory beetles and arthropod assemblages, excluding spiders. Effect of the interaction between patch size and interpatch distance on species richness and composition varied among taxa. Furthermore, large patches supported similar assemblages regardless of interpatch distance. Arthropod response, particularly ants to patch size and interpatch distance, was partly shaped by the matrix type. The percentage of surrounding grassland had little effect on arthropod diversity. We can conclude that large and close patches are important for arthropod conservation. Nevertheless, it is also important to conserve a variety of patch sizes at various distances to maximize overall arthropod composition.
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References
Anderson MJ (2001) A new method for non-parametric multivariate analysis of variance. Austral Ecol 26:32–46. doi:10.1111/j.1442-9993.2001.01070.pp.x
Anderson MJ (2006) Distance-based tests for homogeneity of multivariate dispersions. Biometrics 62:245–253. doi:10.1111/j.1541-0420.2005.00440.x
Anderson MJ, Willis TJ (2003) Canonical analysis of principal coordinates: a useful method of constrained ordination for ecology. Ecology 84:511–525
Araujo LS, Komonen A, Lopes-Andrade C (2015) Influences of landscape structure on diversity of beetles associated with bracket fungi in Brazilian Atlantic forest. Biol Conserv 191:659–666. doi:10.1016/j.bicon.2015.08.026
Berndt LA, Brockerhoff EG, Jactel H (2008) Relevence of exotic pine plantations as a surrogate habitat for ground beetles (Carabidae) where native forest is rare. Biodivers Conserv 17:1171–1185. doi:10.1007/s10531-008-9379-3
Bolger DT, Beard KH, Suarez AV, Case TJ (2008) Increased abundance of native and non-native spiders with habitat fragmentation. Divers Distrib 14:655–665. doi:10.1111/j.1472-4642.2008.00470.x
Bolker BM, Brooks ME, Clark CJ, Geange SW, Poulsen JR, Stevens MHH, White JSS (2009) Generalized linear mixed models: a practical guide for ecology and evolution. Trends Ecol Evol 24:127–135. doi:10.1016/j.tree.2008.10.008
Bond WJ, Parr CL (2010) Beyond the forest edge: ecology, diversity and conservation of the grassy biomes. Biol Conserv 143:2395–2404. doi:10.1016/j.biocon.2009.12.012
Brühl CA, Eltz T, Linsenmair KE (2003) Size does matter—effects of tropical rainforest fragmentation on the leaf litter ant community in Sabah, Malaysia. Biodivers Conserv 12:1371–1389. doi:10.1023/A:1023621609102
Burns KC, McHardy RP, Pledger S (2009) The small-island effect: fact or artefact. Ecography 32:269–276. doi:10.1111/j.1600-0587.2008.05565.x
Cameron KH, Leather SR (2012) How good are carabid beetles (Coleoptera, Carabidae) as indicators of invertebrate abundance and order richness. Biodivers Conserv 21:763–779. doi:10.1007/s10531-011-0215-9
Cobbold SM, MacMahon JA (2012) Guild mobility affects spider diversity: links between foraging behaviour and sensitivity to adjacent vegetation structure. Basic Appl Ecol 13:597–605. doi:10.1016/j.baae.2012.08.014
Didham RK, Hammond PM, Lawton JH, Eggleton P, Stork NE (1998) Beetle species responses to tropical forest fragmentation. Ecol Monogr 68:295–323
Dormann CF, McPherson JM, Araújo MB, Bivand R, Bolliger J, Carl G, Davies RG, Hirzel A, Jetz W, Kissling D, Kühn I, Ohlemüller R, Peres-Neto PR, Reineking B, Schröder B, Schurr FM, Wilson R (2007) Methods to account for spatial autocorrelation in the analysis of species distributional data: a review. Ecography 30:609–628. doi:10.1111/j.2007.0906-7590.05171.x
Duelli P, Obrist MK, Schmatz DR (1999) Biodiversity evaluation in agricultural landscapes: above ground insects. Agric Ecosyst Environ 74:33–64. doi:10.1016/S0167-8809(99)00029-8
Echeverría C, Newton AC, Lara A, Benayas JMR, Coomes DA (2007) Impacts of forest fragmentation on species composition and forest structure in the temperate landscape of southern Chile. Glob Ecol Biogeogr 16:426–439. doi:10.1111/j.1466-8238.2007.00311.x
Eeley HAC, Lawes MJ, Piper SE (1999) The influence of climate change on the distribution of indigenous forest in KwaZulu-Natal, South Africa. J Biogeogr 26:595–617. doi:10.1046/j.1365-2699.1999.00307.x
Evans AM, Clinton PW, Allen RB, Frampton CM (2003) The influence of logs on the spatial distribution of litter-dwelling invertebrates and forest floor processes in New Zealand forests. For Ecol Manag 184:251–262. doi:10.1016/S0378-1127(03)00158-0
Eversham BC, Roy DB, Telfer MG (1996) Urban, industrial and other manmade sites as anologues of natural habitats for Carabidae. Ann Zool Fennici 31:149–156
Filgueiras BKC, Iannuzzi L, Leal IR (2011) Habitat fragmentation alters the structure of dung beetle communities in the Atlantic forest. Biol Conserv 144:362–369. doi:10.1016/j.biocon.2010.09.013
Finér L, Jurgensen MF, Domisch T, Kilpeläinen J, Neuvonen S, Punttila P, Risch AC, Ohashi M, Niemelä P (2013) The role of wood ants (Formica rufa group) in carbon and nutrient dynamics of a boreal Norway spruce forest ecosystem. Ecosystems 16:196–208. doi:10.1007/s10021-012-9608-1
Fischer C, Schlinkert H, Ludwig M, Holzschuh A, Gallé R, Tscharntke T, Batáry P (2013) The impact of hedge-forest connectivity and microhabitat conditions on spider and carabid beetle assemblages in agricultural landscapes. J Insect Conserv 17:1027–1038. doi:10.1007/s10841-013-9586-4
Gascon C, Lovejoy TE, Bierregaard RO Jr, Malcom JR, Stouffer PC, Vasconcelos HL, Laurance WF, Zimmerman B, Tocher M, Borges S (1999) Matrix habitat and species richness in tropical forest remnants. Biol Conserv 91:223–229. doi:10.1016/S0006-3207(99)00080-4
Gerlach J, Samways MJ, Pryke JS (2013) Terrestrial invertebrates as bioindicators: an overview of available taxonomic groups. J Insect Conserv 17:831–850. doi:10.1007/s10841-013-9565-9
Gibb H, Hochuli DF (2002) Habitat fragmentation in an urban environment: large and small fragments support different arthropod assemblages. Biol Conserv 106:91–100. doi:10.1016/S0006-3207(01)00232-4
Gibb H, Durant B, Cunningham SA (2012) Arthropod colonisation of natural and experimental logs in an agricultural landscape: effects of habitat, isolation, season and exposure time. Ecol Manag Restor 13:166–175. doi:10.1111/j.1442-8903.2012.00638.x
Gonçalves-Souza BT, Matallana G, Brescovit AD (2008) Effects of habitat fragmentation on the spider community (Arachnida, Araneae) in three Atlantic forest remnants in Southeastern Brazil. Rev Ibér Aracnol 16:35–42
Gove AD, Majer JD, Rico-Gray V (2009) Ant assemblages in isolated trees are more sensitive to species loss and replacement than their woodland counterparts. Basic Appl Ecol 10:187–195. doi:10.1016/j.baae.2008.02.005
Gunther MJ, New TR (2003) Exotic pine plantations in Victoria, Australia: a threat to epigaeic beetles (Coleoptera) assemblages. J Insect Conserv 7:73–84. doi:10.1023/A:1025594022759
Hanski I (1998) Metapopulation dynamics. Nature 396:41–49. doi:10.1038/23876
Heliölä J, Koivula M, Niemelä J (2001) Distribution of carabid beetles (Coleoptera, Carabidae) across a boreal forest-clearcut ecotone. Conserv Biol 15:370–377. doi:10.1046/j.1523-1739.2001.015002370.x
Horváth R, Magura T, Péter G, Tóthmérész B (2002) Edge effect on weevils and spiders. Web Ecol 3:43–47. doi:10.5194/we-3-43-2002
Hudewenz A, Klein AM, Scherber C, Stanke L, Tscharntke T, Vogel A, Weigelt A, Weisser WW, Ebeling A (2012) Herbivore and pollinator responses to grassland management intensity along experimental changes in plant species richness. Biol Conserv 150:42–52. doi:10.1016/j.biocon.2012.02.024
Jacquemyn H, Butaye J, Hermy M (2001) Forest plant species richness in small, fragmented mixed deciduous forest patches: the role of area, time and dispersal limitation. J Biogeogr 28:801–812. doi:10.1046/j.1365-2699.2001.00590.x
Jokimäki J, Huhta E, Itämies J, Rahko P (1998) Distribution of arthropods in relation to forest patch size, edge, and stand characteristics. Can J For Res 28:1068–1072. doi:10.1139/x98-074
Kacholi DS (2014) Edge-interior disparities in tree species and structural composition of the Kilengwe forest in Morogoro region, Tanzania. ISRN Biodivers 2014:1–9. doi:10.1155/2014/873174
Kotze DJ, Lawes MJ (2007) Viability of ecological processes in small Afromontane forest patches in South Africa. Austral Ecol 32:294–304. doi:10.1111/j.1442-9993.2007.01694.x
Kotze DJ, Samways MJ (1999) Support for the multi-taxa approach in biodiversity assessment, as shown by epigaeic invertebrates in an Afromontane forest archipelago. J Insect Conserv 3:125–143. doi:10.1023/A:1009660601372
Kwon TS, Park YK, Lim JH, Ryou SH, Lee CM (2013) Change of arthropod abundance in burned forests: different patterns according to functional guilds. J Asia Pac Entomol 16:321–328. doi:10.1016/j.aspen.2013.04.008
Laurance WF (2008) Theory meets reality: how habitat fragmentation research has transcended island biogeographic theory. Biol Conserv 141:1731–1744. doi:10.1016/j.biocon.2008.05.011
Lawes MJ, Kotze DJ, Bourquin SL, Morris C (2005) Epigaeic invertebrates as potential ecological indicators of Afromontane forest condition in South Africa. Biotropica 37:109–118. doi:10.1111/j.1744-7429.2005.04054.x
Leal IR, Filgueiras BKC, Gomes JP, Iannuzzi L, Andersen AN (2012) Effects of habitat fragmentation on ant richness and functional composition in Brazilian Atlantic forest. Biodivers Conserv 21:1687–1701. doi:10.1007/s10531-012-0271-9
Losos JB, Ricklefs RE (2010) The theory of island biogeography revisited. Princeton University Press, Princeton
Lövei GL, Sunderland KD (1996) Ecology and behaviour of ground beetles (Coleoptera: Carabidae). Annu Rev Entomol 41:231–256
MacArthur RH, Wilson EO (1967) The theory of island biogeography. Princeton University Press, Princeton
Magura T, Bogyó D, Mizser S, Nagy DD, Tóthmérész B (2015) Recovery of ground-dwelling assemblages during reforestation with native oak depends on the mobility and feeding habits of the species. For Ecol Manag 339:117–126. doi:10.1016/j.foreco.2014.12.015
Mäki-Petäys H, Zakharov A, Viljakainen L, Corander J, Pamilo P (2005) Genetic changes associated to declining populations of Formica ants in fragmented forest landscape. Mol Ecol 14:733–742. doi:10.1111/j.1365-294X.2005.02444.x
Mitchell CE, Turner MG, Pearson SM (2002) Effects of historical land use and forest patch size on myrmecochores and ant communities. Ecol Appl 12:1364–1377. doi:10.2307/3099977
Miyashita T, Shinkai A, Chida T (1998) The effects of forest fragmentation on web spider communities in urban areas. Biol Conserv 86:357–364. doi:10.1016/S0006-3207(98)00025-1
Moreno ML, Fernández MG, Molina SI, Valladares G (2013) The role of small woodland remnants on ground dwelling insect conservation in Chaco Serrano, Central Argentina. J Insect Sci 13:1–13. doi:10.1673/031.013.4001
Niemelä J, Koivula M, Kotze DJ (2007) The effects of forestry on carabid beetles (Coleoptera: Carabidae) in boreal forests. J Insect Conserv 11:5–18. doi:10.1007/s10841-006-9014-0
Perner J, Schueler S (2004) Estimating the density of ground dwelling arthropods with pitfall traps using a nested-cross array. J Anim Ecol 73:469–477. doi:10.1111/j.0021-8790.2004.00821.x
Peter F, Berens DG, Farwig N (2014) Effects of local tree diversity on herbivore communities diminish with increasing forest fragmentation on the landscape scale. PLoS ONE 9:1–8. doi:10.1371/journal.pone.0095551
Pryke JS, Samways MJ (2012) Conservation management of complex natural forest and plantation edge effects. Landsc Ecol 27:73–85. doi:10.1007/s10980-011-9668-1
Renker CP, Otto P, Schneider K, Zimdars B, Maraun M, Buscot F (2005) Oribatid mites as potential vectors for soil microfungi: study of mite-associated fungal species. Microb Ecol 50:518–528. doi:10.1007/s00248-005-5017-8
Russell JC, Gleeson DM, Corre ML (2011) Subjecting the theory of small-island effect to Ockham’s razor. J Biogeogr 38:1834–1839. doi:10.1111/j.1365-2699.2011.02574.x
Samways MJ, McGeoch MA, New TR (2010) Insect conservation: a handbook of approaches and methods. Oxford University Press, Oxford
Sfenthourakis S, Triantis KA (2009) Habitat diversity, ecological requirements of species and the small island effect. Divers Distrib 15:131–140. doi:10.1111/j.1472-4642.2008.00526.x
Soga M, Kanno N, Yamaura Y, Koike S (2013) Patch size determines the strength of edge effects on carabid beetle assemblages in urban remnant forests. J Insect Conserv 17:421–428. doi:10.1007/s10841-012-9524-x
Team RC (2015) R: a language and environment for statistical computing (R Foundation for Statistical Computing, Vienna, 2012). http://www.R-project.org
Triantis KA, Vardinoyannis K, Tsolaki EP, Botsaris I, Lika K, Mylonas M (2006) Re-approaching the small island effect. J Biogeogr 33:914–923. doi:10.1111/j.1365-2699.2006.01464.x
Uys C, Hamer M, Slotow R (2009) Turnover in flightless invertebrate species composition over different spatial scales in Afrotemperate forest in the Drakensberg, South Africa. Afr J Ecol 47:341–351. doi:10.1111/j.1365-2028.2008.00968.x
Vandergast AG, Gillespie RG (2004) Effects of natural forest fragmentation on a Hawaiian spider community. Environ Entomol 33:1296–1305. doi:10.1603/0046-225X-33.5.1296
Venables WN, Ripley BD (2002) Modern applied statistics with S. Springer, New York
Vialatte A, Bailey RI, Vasseur C, Matocq A, Gossner MM, Everhart D, Vitrac X, Belhadj A, Ernoult A, Prinzing A (2010) Phylogenetic isolation of host trees affects assembly of local Heteroptera communities. Proc R Soc B Biol Sci 282:1–10. doi:10.1098/rspb.2010.0365
Wethered R, Lawes MJ (2005) Nestedness of bird assemblages in fragmented Afromontane forest: the effect of plantation forestry in the matrix. Biol Conserv 123:125–137. doi:10.1016/j.biocon.2004.10.013
Yekwayo I, Pryke JS, Roets F, Samways MJ (2016) Surrounding vegetation matters for arthropods of small, natural patches of indigenous forest. Insect Conserv Divers. doi:10.1111/icad.12160
Yu XD, Luo TH, Zhou HZ (2014) Composition and distribution of ground-dwelling beetles among oak fragments and surrounding pine plantations in a temperate forest of North China. Insect Sci 21:114–124. doi:10.1111/1744-7917.12039
Acknowledgments
We thank Mondi for access to plantations, and the National Research Foundation and the Department of Science and Technology (NRF/DST) for funding the project. We also thank J. van Schalkwyk, N. Yekwayo and G. Kietzka for assistance with field work, and A.S. Dippenaar-Schoeman, R. Gaigher, L. Hugo-Coetzee and D. Saccaggi for help with species identification.
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Communicated by Nigel E. Stork.
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Yekwayo, I., Pryke, J.S., Roets, F. et al. Conserving a variety of ancient forest patches maintains historic arthropod diversity. Biodivers Conserv 25, 887–903 (2016). https://doi.org/10.1007/s10531-016-1096-8
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DOI: https://doi.org/10.1007/s10531-016-1096-8