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(Phoxinus specific stream habitats minnow a versus contrasting to lakes adaptions of the morphological inhabiting species in with individual in intertwined regimes between phenomenon common pronounced hydrodynamic a often different is is The environments differentiation between Intraspecific selection natural fishes. divergent freshwater to response in divergence Phenotypic Abstract 2020 27, April 1 Scharnweber Kristin minnows stream and phoxinus) lake (Phoxinus of divergence trophic and Morphological psl Universitet Uppsala ns¨nadistiuaist iktecagsi oymrhlg otefeigo pcfi eore.Lk minnows Lake resources. specific on feeding the to morphology body in changes the link to tributaries its Annsj¨on and ˚ atrsesaculeatus Gasterosteus eoi gibbosus Lepomis 1 eg 8 n ueiesceeslo ( salmon sockeye juvenile and 18) (e.g. ) rrc as( bass rock or ) 1 mlpie rupestris Ambloplites 1) utemr,divergence Furthermore, (14). ) nohnhsnerka Oncorhynchus hxnsphoxinus Phoxinus (19), ) ,a ), Posted on Authorea 27 Apr 2020 | CC BY 4.0 | https://doi.org/10.22541/au.158801934.43964147 | This a preprint and has not been peer reviewed. 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Figure 0.001, < P 5,278 .0,Tbe2, Table 0.001, < 3.7748, : 1 -5.601, = P = Posted on Authorea 27 Apr 2020 | CC BY 4.0 | https://doi.org/10.22541/au.158801934.43964147 | This a preprint and has not been peer reviewed. Data may be preliminary. .Rnl D oi .Eooia pcain clg etr.2005;8(3):336-52. Letters. 2000. Ecology Press; speciation. University Ecological Oxford P. U.K.: Nosil Oxford, 1986. HD, radiation. Press; Rundle adaptive University 3. of Princeton ecology NJ: The Princeton, D. wild. Schluter the 2. in selection Natural stiftelse. JA. Borghs Endler Olsson 1. the and 2013.0091) KAW (grant foundation References: Wallenberg Alice gut Haferkemper and the individual Leonie conducted Knut on Bublys thank the discussions Kasparas further Svanb¨ack with from lab. Richard helped I and map. Asbj field project. the and the created this specialization in Schulz help of Jenny amazing and steps an analyses all been content have supported who Ekl¨ov, Villwock who Peter Holger and to grateful am I https://uu.diva-portal.org, at DiVA in available openly Acknowledgements: are study this of urn:nbn:se:uu:diva-389472. findings number: the reference support that data The overlap diet a stream Statement: if the Accessibility stream, on invasions the Data minnow of of populations consequences into fish the directly minnows native determine webs. be the to of need for food cannot introduction studies threat the habitats future similar Certainly, lake Nonetheless, a occur. habitats. in would pose stream observed also target may in patterns habitats competition occurring and stream interspecific interactions habitats brown Therefore, the contrasting native lakes. to these the inhabiting transferred in may of individuals habitats species growth stream the inhabiting different and than minnows recruitment at that resources reduced indicate different herein of the presented on abundance to results rely My contributing low (26). factors a habitats lake the and in responsible of Oligochaeta, trout being one and thus as webs, Chironomidae as in regarded food of considered example, also lake dominance are for modify a as They to lacustris with densities, ability (26). Gammarus assemblage the high bait have zoobenthos reach life they can a that that as they showed for lakes, them further that these used (25) of fact Brittain many anglers the and In as to fish. introduced due of relationship. invasive, were richness this being minnows species resolve low remote, correlation to a often the needed by on are are characterized (but direction are experiments specialization lakes and lab individual mountain strength further in Scandinavian the but variation influence diet, of have could and studies degree pressure few morphology the very predation minnow conditions, shape Only Potentially, of may ecological 51). 54). 50, that of 53, (13, factors kind 52, predators lake such specific see escape the under the and to advantageous in identify acceleration Collin present as rapid to a pressure seen tried (28), enhance predation be may Palandacic high can mass a muscle morphology Ramler, as reported body of hydrodynamic further deeper the they ones to A habitats, adaptions habitats. the stream morphological to compared these in with streamlined attributing occurring more accordance besides conditions be However, in to lakes. 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L1 not greater would at stream might a which habitats caught to to formation, individuals feeding similar than resource-morph were caught more zooplankton L3 in individuals were fewer location to ingested at shape compared caught and insects, body invertebrates individuals terrestrial Individuals Furthermore, on benthic locations. extent locations. on different greater stream extent the two a between to other habitats, feeding the the were in within S3 variation location strong at a caught showed use resource also slk inw hwasrn itoelpwt ueiebontot(4,te are they (24), trout brown juvenile with overlap diet strong a show minnows lake As . ø nV rn ø lsa aeisgt omno ouainsrcue iaca upr came support Financial structure. population minnow to insights gave llestad 5 ns¨ n(4.N Anssj¨on (34). ˚ æ stad Posted on Authorea 27 Apr 2020 | CC BY 4.0 | https://doi.org/10.22541/au.158801934.43964147 | This a preprint and has not been peer reviewed. Data may be preliminary. 3 otltM ryo .Hnbo fErpa rswtrfihs onl wteln:Pbiain Kot- Publications Switzerland: Cornol, fishes. freshwater p. European of 646 2007. Handbook telat; J. Freyhof M, Kottelat 23. minnow, the of Animal 62. history techniques. natural The habitat-specific WE. - Frost 22. foraging bluegill in variation individual 1989;38:643-58. and Behaviour. Learning TJ. 1984;65(3):851- Ecology. Ehlinger environments. 21. structured in bass largemouth by lake-type 2010;139(5):1584-94. foraging 61. juvenile Society. Optimal shapes Fisheries O. ecology American Anderson Contrasting the 20. F. of Breden Transactions gene TR, salmon. Hamon and sockeye RH, selection riverine Mackas 2002;56(6):1199-216. and between JL, Evolution. Nielsen balance system. SA, the misty Pavey the and 19. in divergence stickleback Adaptive stream JD. and McPhail Lake EB, flow: Taylor American AP, literature. Hendry neglected a 18. - fishes in displacement and release 1994;144(4):596-627. Character and Naturalist. DS. amphibians, Wilson BW, fishes, 1996;27:111-33. Robinson Systematics. in 17. and polymorphisms Ecology resource of of Review significance Annual Evolutionary birds. Sk´ulason S. TB, Smith 16. 1995;10(9):366- Evolution. & Ecology in Trends vertebrates. 70. pump- in and polymorphism Resource bass TB. rock Sk´ulason Smith 2002;61(6):1619-38. 15. S, stream-dwelling Biology. and Fish lake- of between Journal variation populations. Morphological kinseed MG. Fox and J, Integrative Brinsmead fishes. 14. in regimes flow across 2008;48(6):750-68. differentiation Biology. phenotypic Comparative 1997;61(1):3-50. of Society. Predictability Linnean RB. Langerhans the 13. of Journal 1984;24(1):107-20. stickleback Biological threespine Zool. shape. lacustrine Am body of vertebrates. rosteidae) morphology aquatic Ecological in JA. foraging Walker and 12. locomotion form, 1988;85(6):1878-82. Body America. National PW. of the Webb of States 11. Proceedings United sunfish. the Bluegill of in polymorphism Sciences foraging of Complex Academy DS. Wilson species cichlid TJ, 2018;31(9):1313-29. sympatric Ehlinger Biology. in 10. Evolutionary infections of parasite Divergent Journal O. Victoria. Seehausen Lake OM, 2009;63(12):3201-13. Selz in Evolution. predators CE, Wagner histories. for A, role life Karvonen a of 9. gradient: evolution environmental the an on across availability diversification resource Phenotypic Biology. predation and DN. Evolutionary of Reznick Bmc MR, Effects fish. Walsh T. prey 8. omnivorous Mehner in MT, divergence Monaghan morphological 10.1186/471-2148-13-132. T, on 2013;13:doi: Wanke use Syv¨aranta resource J, K, and Watanabe pressure K, Sciences. Scharnweber Aquatic and 7. Fisheries of Journal Canadian thereof? lack the 2009;66(8):1383-98. Or speciation! Ecological natural AP. 2007;274(1611):839-44. a Hendry 6. within Sci. diversity B-Biol use Soc an resource R increased specialization: Proc drives individual population. competition Intraspecific of DI. 2005;7(7):993-1012. strength Svanb¨ack Bolnick Research. 5. R, the Ecology Evolutionary affects method. competition theory Intraspecific diet optimal DI. Bolnick Svanb¨ack R, 4. hxnsphoxinus Phoxinus 6 ora fAia clg.1943;12:139- Ecology. Animal of Journal . atrsesaculeatus Gasterosteus (Gaste- L Posted on Authorea 27 Apr 2020 | CC BY 4.0 | https://doi.org/10.22541/au.158801934.43964147 | This a preprint and has not been peer reviewed. Data may be preliminary. 4 icmn ,DeeiM nteoii fseisb ypti pcain aue 1999;400(6742):354-7. Nature. speciation. sympatric by species of individuals: origin the of On ecology M. 2003;161(1):1-28. The Doebeli Naturalist. al. U, Dieckmann American et 44. CD, specialization. Hulsey individual JM, of Davis implications LH, and Yang 1995;19:5-46. Cybium. Incidence JA, species. Fordyce Svanb¨ack fish R, DI, freshwater Genes Bolnick European Dev 43. fourteen of morphometrics. habits Feeding geometric T. in Oberdorff P, allometry Michel 42. of concepts form: and 2016;226(3):113-37. shape, Evol. Size, CP. Eco- Klingenberg Molecular 41. morphometrics. geometric for package 2011;11(2):353-7. software 2009;36(2):235-47. Resources. integrated Biol. logy an Evol MorphoJ: 1991. CP. Morphometrics. Klingenberg Press; Geometric University 40. in Cambridge Advances York: P. New Gunz P, data. Mitteroecker landmark 39. for Norway: tools in Morphometric patterns FL. invasion Bookstein recent 38. and history Molecular dispersal 2013. heterogeneity fishes. Post-glacial Oslo; Spatial minnow: freshwater of al. Eurasian University its The et of J. M, Holmen accuracy Bariche 37. R, barcoding Barbieri affects V, 2014;14(6):1210-21. Hotspot Almada Resources. Biodiversity Ecology MT, ). Mediterranean Monaghan : (Teleostei the F, France in Herder southern MF, and Geiger Greece 36. from Phoxinus of 2007;18(2):145-62. species Freshw. new Explor Ichthyol Three M. Kottelat 35. l¨an; 1937;7(4):445-79. 2010. Monographs. Ecological namaycush Fiskeunders¨okningarnus i A. streams. Berglund in L, Fish plankton Preˇsov; Bergwall 2016. lake of of 34. typical University Journal of ecology: Fate applications. feeding DC. fish their Chandler freshwater and in 33. analysis methods content on Stomach P. review Manko a 32. - analysis content 1980;17(4):411-29. Stomach Biology. EJ. Hyslop 10.1002/ecs2.1387. 2016;7(8):e01387. techniques Ecosphere. 31. assessment growth perch. use polymorphic ontogenetic resource of Combining specialization Ekl¨ov and P. trophic MHK, in morphology Marklund trade-offs reveal U, on Strandberg resources K, Scharnweber food 30. 2002;131(1):61-70. and Oecologia. habitat Ecol perch. analysis. of in morphometric trajectories Effects geometric Ekl¨ov P. on Svanb¨ack R, based 29. and basin lake Danube of divergence the Morphological and H. 2017;7(2):572-84. Italy Ahnelt Evol. Northern J, Wanzenbock of GB, Phoxinus and Delmastro stream A, lake Palandacic between D, Ramler divergence 28. genetic adaptive and morphological minnow for 502. the ( minnows Evidence of European in history L. habitats Fumagalli The stream H, O. Ugedal Collin EB, 27. Thorstad OT, Sandlund T, phoxinus Hesthagen J, Museth 26. Borgstr phoxinus J, Museth 24. h nrdcino h uoenmno ( minnow European the of introduction the N 2010;642(1):93-100. 25. Hydrobiologia. overlap? niche forced or resources æ tdF rtanJ.Ln-emcagsi h itrlbnhso owga uapn aefollowing lake subalpine Norwegian a of benthos littoral the in changes Long-term JE. Brittain F, stad L)i owy rmhrls pce ops.Junlo ihBooy 2007;71:184-95. Biology. Fish of Journal pest. to species harmless from Norway: in (L.) n on rw ru ( trout brown young and ) atrsla vdcmrnsseohfiknetrna 9220.L¨ansstyrelsen J¨amtlands 1992-2009. fiskinventeringar och decimeringsfiske av resultat samt ) ø ,Biti E itoelpbtenitoue uoenmno ( minnow European introduced between overlap Diet JE. Brittain R, m am trutta Salmo hxnsphoxinus Phoxinus hxnsphoxinus Phoxinus ns¨ n ffke vitouea kanadar¨oding introducerad ( av Annsj¨on- Effekter ˚ ntelake, the in ) 7 yrnde.MlclrEooy 2011;20(21):4490- Ecology. Molecular Cyprinidae). , .Hdoilga 2010;642(1):71-9. Hydrobiologia. ). Ø r emasan euto abundant of result a Heimdalsvatn: vre Phoxinus Phoxinus Salveli- Posted on Authorea 27 Apr 2020 | CC BY 4.0 | https://doi.org/10.22541/au.158801934.43964147 | This a preprint and has not been peer reviewed. Data may be preliminary. eito S)o h ecnaeo u oueo ahie,o uso opako,bnhcinvertebrates benthic zooplankton, of sums or ( item, size each sample of the volume including gut insects, of terrestrial percentage and the of (SD) deviation 2 Table tions loca- Stream locations Lake ( distances Procrustes are differences. significant Depicted depict locations. font different six the in 1 Table perch Eurasian Tables in divergence population Ecol of Ekl¨ov Decrease factors. P. K, differences ecological Karlsson ( U, dietary to Strandberg relation and K, in Scharnweber morphological 54. charr of Arctic benthic magnitude small the 2018;8(3):1573-81. of Evol. in populations Variation among individuals CA. between in Leblanc divergence Kristj´ansson BK, intra-population 53. drives transparency proba- Water Ekl¨ov P. the ( Svanb¨ack R, increase perch PE, starts Eurasian Hirsch faster P, Do Bartels DN. 52. 2005;19(5):808-15. Reznick Ecology. D, Functional McKenney predators? OL, evading 2003;80(4):689-98. Griset of Society. CK, bility Linnean Ghalambor the divergence JA, of Walker morphological Journal 51. Habitat-associated Biological TJ. species. Dewitt fish AK, Neotropical Langerhans two CA, in Layman RB, Ecology Langerhans in Trends 50. speciation. (incomplete) for explanations 2009;24(3):145-56. Ecological Evolution. O. Seehausen & LJ, Harmon P, Nosil 49. Journal speciation. ecological for 2011;24(2):326-42. plasticity Biology. phenotypic Evolutionary of consequences of adaptation The AP. selection, Hendry natural X, 2008;21(6):1460-9. Thibert-Plante among Biology. 48. interactions Evolutionary on of plasticity Journal phenotypic flow. 2010;25(8):459-67. of pla- gene Evolution. effects Phenotypic and & AP. Modifying Ecology E. Moczek in Crispo CD, Trends Schlichting 47. speciation. T, and Cruickshank diversification EC, on Snell-Rood impacts MA, sticity’s Wund DW, Pfennig 46. 2008;117(1):114-24. resource Oikos. species communities. multiple fish drives in competition Intraspecific polymorphism K. Holmgren R, Svanb¨ack Ekl¨ov Fransson 45. P, R, ec fluviatilis Perca itcmoiino inw agti h aeadsras eitdaeaeae n standard and averages are Depicted streams. and lake the in caught minnows of composition Diet : eut fCnnclVraeAaye npiws oprsno oysaeo inw caught minnows of shape body of comparison pairwise on Analyses Variate Canonical of Results : 3005<.0 .2 .0 .2 0.002 0.026 0.003 0.001 0.028 <0.001 0.029 <0.001 <0.001 0.034 0.027 <0.001 0.035 <0.001 0.041 0.031 <0.001 S3 0.003 S2 0.037 0.018 S1 L3 L2 L1 ec fluviatilis Perca nbonn aes oeo at cd n oaigecec.Po n.2016;11(9):20. One. PLoS efficiency. foraging and acids fatty of role waters: browning in ) P S P S3 S3 S S2 P S2 S S1 P S1 S L3 L3 P L2 S 0.118 L2 P 0.012 L1 S L1 tions ca- lo- Lake tions ca- lo- Lake .Po n.2012;7(8). One. PLoS ). .1 0.220 0.011 tions ca- lo- Lake N tions ca- lo- Lake ). 8 tions ca- lo- Lake S mn rusadthe and groups among ) tions ca- lo- Lake .1 .5 .1 0.127 0.019 0.253 0.073 0.013 0.017 tions ca- lo- Stream tions ca- lo- Stream P

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tions ca- lo- Stream Stream lo- ca- tions tions ca- lo- Stream Posted on Authorea 27 Apr 2020 | CC BY 4.0 | https://doi.org/10.22541/au.158801934.43964147 | This a preprint and has not been peer reviewed. Data may be preliminary. lgcat . 88000000 0 0 0 20.7 42.6 2.4 7.3 0 0 0 0 4.9 0 0 46.3 0 36.4 0.6 0 2.2 0 0 0 0 0 0 41.5 27.9 0 32.9 0 8.7 17.8 0 18.6 0 0 0 0 5.4 18.8 0 9.8 13.6 3.3 0 3.2 0 4.2 16.2 0 0 44.8 1.0 4.8 3.2 0 32.7 15.4 25.2 0 0 0 2.6 43.1 41.2 0 0 0.5 13.4 0 0 2.5 8.3 0 0 28.8 20.9 0 2.1 0 31.0 6.2 0 0 0 0 0 0 8.7 4.3 0.4 0 0 0 0 0 1.4 0 0 0 0 40.9 20.9 locations 0 20.9 Stream 0 22.9 21.7 0 0 0 0 locations 0 0 0 Lake 23.5 5.2 0.001 < 4.3 42.679, 0 5.7 17.4 8.3 0 H 0 0 zooplankton: 0 0 loca- 0 0 different six 0 the 0 in adjusted caught and differences. 9.6 12.3 minnows significant test, 0.9 overall depict of 3.2 font the gut Bold 0 of the locations. results in 0 of the insects comparisons 0 are terrestrial 0 Depicted c) tions. and invertebrates, benthic 0 b) 0 3 0 Table 0 0 1.7 0 3.8 0.2 0 0 Σ 0 0.9 0 Σ Σ 0 adult Diptera 24.6 0 12.4 17.7 0 Polychaeta Oligochaeta 0 Arachnida 0.2 Odonata Coleoptera Gastropoda 6.3 2.2 3.1 Bivalvia 0 Trichoptera Nematoda Ephemeroptera Chironomidae Gammarus Ostracoda Chydorus Leptodora Ceriodapnia Alona Daphnia Bosmina Eurycercus 5 ersra insects terrestrial invertebrates benthic zooplankton = p . 770317432. 113. 763. . 5.7 2.6 34.0 17.6 31.1 11.1 20.9 4.3 1.7 0.3 17.7 3.2 sp. eut fKuklWli et npiws oprsno ouercpooto fa zooplankton, a) of proportion volumetric of comparison pairwise on tests Kruskal-Wallis of Results : P p 253. . 7400000000 0 0 0 0 0 0 0 17.4 3.0 33.6 12.5 sp. p . 5601080000 0 0 0 0.8 0.1 15.6 3.3 0 0 0 0 sp. p . . . 0.5 0.1 1.8 0.3 0 0 0 0 0 0 0 0 sp. p . 770000000000 0 0 0 0 0 0 0 0 0 17.7 3.1 sp. p 634. 114. 284. 914. . 74193.9 1.9 27.4 8.9 42.1 29.1 48.1 42.8 41.1 71.1 47.0 66.3 sp. p . 75612. 0 0 0 0 0 0 0 0 24.2 6.1 17.5 3.1 sp. 3<001<0.001 < 0.002 0.008 0.001 < 0.003 0.005 0.021 0.009 S3 S2 S1 L3 L2 L1 0.001 < 42.679, H zooplankton: 5 = P aelctosLk oain aelctosLk oain aelctosLk oain temlctosSra oain temlctosSra oain temlctosSra locations Stream locations Stream locations Stream locations Stream locations Stream locations Stream locations Lake locations Lake locations Lake locations Lake locations Lake locations Lake 1( L1 . 09432. 343. 363. 6442.6 44.6 7.5 36.4 58.9 4.7 32.9 48.0 45.3 13.6 54.7 31.6 32.7 46.3 SD 45.4 13.4 mean 46.4 40.3 20.9 49.3 SD 49.5 4.3 45.3 50.4 mean 20.9 30.4 34.8 5.2 SD 14.4 80.5 mean 0 31.4 31.4 SD 0 11.9 88.1 mean SD mean SD mean N 1L 3S 2S3 S2 S1 L3 1.000 L2 0.001 < 42.679, H zooplankton: L1 locations Lake 5 2 1( L1 32) = = P 0.001 < 42.679, H zooplankton: locations Lake 5 N = 9 2 2( L2 32) = P .0 .1 1.000 0.613 1.000 1.000 1.000 1.000 0.001 < 42.679, H zooplankton: locations Lake 5 P = vle(Dunn -value N P 3 2( L2 33) = locations Stream ´ orcin o pairwise for correction) s N 3 3( L3 33) = locations Stream N locations Stream 3 3( L3 23) = N 3 1( S1 23) = N 8 1( S1 38) = N 8 2( S2 38) = N 1 2( S2 31) = N 1 3( S3 31) = N 8 3( S3 18) = N 18) = Posted on Authorea 27 Apr 2020 | CC BY 4.0 | https://doi.org/10.22541/au.158801934.43964147 | This a preprint and has not been peer reviewed. Data may be preliminary. cnnclvrae1,icuigrslso pamnsrn correlation. rank Spearman’s of results including 1), variate (canonical 5 Figure respectively. six habitats S3). the stream S2, in and (S1, caught lake minnows ma- for of 4: are drawn Analyses 0.9) Analyses Figure Variate (probability Function Canonical ellipses Discriminant on confidence of based with outlines shape locations Shape-change of different line). Ordination b) (green threefold. streams gnified landmarks the Semi and body. line) to (blue structures. head 21: homologous transition fin; anterior between ventral 3: dorsal 27: distances 33: fin, Figure of fin; proportional anal insertion pelvic on of 12: insertion of based posterior snout; posterior insertion were 17: the 26: anterior dots) fin; fin; 6-8: of 30: (blue caudal fin; dorsal tip fin; of pectoral anal of insertion 9: ventral of of insertion bone); 22: insertion insertion anterior fin; opercular 5: caudal 16: (principal of orbit; body; insertion opercular of dorsal to of point head ventral margin transition and ventral anterior, dorsal and dorsal, dorsal, posterior, posterior, most most : S3). 1-4 S2, dots): (S1, (red tributaries surrounding the 2: and Figure L3) L2, (L1, lake the in 1 Figure legends: Figure locations Stream locations Lake 0.001 < 33.018, H insects: terrestrial locations Stream locations Lake 0.001 < 38.102, H brates: inverte- benthic 5 5 = = P P eainhpbtenpooto fzolntni h inwgt n opooia distances morphological and guts minnow the in zooplankton of proportion between Relationship : a of Map : oiino h 5dgtzdlnmrsue ngoercmrhmtis ooooslandmarks Homologous morphometrics. geometric in used landmarks digitized 35 the of Position vrg rprin fgtcneto inw agti h ae(1 2 3 n h streams the and L3) L2, (L1, lake the in caught minnows of content gut of proportions Average eut fgoercmrhmtis )Saedffrne ewe inw agti h lake the in caught minnows between differences Shape a) morphometrics. geometric of Results 3<001<001<0010020.004 0.002 0.001 < 0.001 < 0.001 < S3 S2 S1 L3 L2 0.003 0.001 L1 0.001 0.042 0.001 < < 0.001 33.018, < H insects: 0.004 terrestrial S3 S2 S1 L3 L2 L1 0.001 < 38.102, H brates: inverte- benthic 5 5 ns¨ nadispsto nSee nldn h oain hr inw hr caught where minnows where locations the including Sweden in position its Annsj¨on and ˚ = = P P locations Lake .8 .0 .0 1.000 1.000 1.000 1.000 1.000 1.000 0.884 0.724 1.000 1.000 0.001 < 33.018, H insects: terrestrial 1.000 0.577 1.000 0.001 < 38.102, H brates: inverte- benthic 5 5 = = P P locations Lake 0.001 < 33.018, H insects: terrestrial 0.001 < 38.102, H brates: inverte- benthic 5 5 = = 10 P P locations Lake .9 .0 1.000 0.001 < 33.018, 1.000 H 1.000 insects: terrestrial 0.390 0.480 1.000 0.001 < 38.102, H brates: inverte- benthic 5 5 = = © P P Landm¨ateriet. locations Stream locations Stream locations Stream Posted on Authorea 27 Apr 2020 | CC BY 4.0 | https://doi.org/10.22541/au.158801934.43964147 | This a preprint and has not been peer reviewed. Data may be preliminary. 11 Posted on Authorea 27 Apr 2020 | CC BY 4.0 | https://doi.org/10.22541/au.158801934.43964147 | This a preprint and has not been peer reviewed. Data may be preliminary. 12 Posted on Authorea 27 Apr 2020 | CC BY 4.0 | https://doi.org/10.22541/au.158801934.43964147 | This a preprint and has not been peer reviewed. Data may be preliminary. 13