Chapter 1 - Núria BONADA

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X 2 axis 2 1 0 -1 -2 Glyph Berae Brachy Allog Haltes Halra Hypsinf Hypsdi DrusbAgap Anom Haldi Hypsbu Hypsins Athrip Hypsex Hypspe Hypsbr Allotr Ceracl Chaet Chima Cheum Hypssi Steno Ithyt Synag Meso Limne Rhyfas Tinowae Potcin Hypsti Micrmo Potlat Hypsp1 Rhyocc Ortho Tinosp Philo Micrlon Rhynev Rhytri Hydrt Lasio Oxyet Mysta Polyc Rhydor Rhysp Seric Rhymun Setod Plect Hyps Rhymer Lype Rhyrel Metal Spring Adic Psychpu Summer Micrmin Rhycm Hypsfo Gloss Cyrnu X 1 axis Winter Odont Local scale: Distribution patterns in Trichoptera Ecno Worm Psychct Calam Autumn -1 0 1 2 Figure 8. CCA plot representing taxa distribution in first (X1) and second (X2) axis using seasonality. Relative effect of variables in caddisfly distribution The variance partition results (Figure 9) indicate that environmental variables explain 20.8% of caddisfly distribution. From those, geomorphological features are the responsible of the major part of environmental variability (53.9%), followed by a mix of physical-chemical and biological community’s characteristics. Temporality presents a low percentage explaining caddisfly communities. On the other hand, although significant, only 0.93% of trichoptera variation is explained by the seasonal effect. Interaction between environment and seasonality has also a weak importance in caddisfly distribution (0.2%). A high percentage of unexplained variables are noticed (78%). 285
<strong>Chapter</strong> 7 % of total variation % of variation from environment 100 80 60 40 20 0 100 80 60 40 20 0 Non-explained (78%) Seasonality (0.93%) Environment+Seasonality (0.2%) Environment (20.8%) Temporality (2.3%) Biological comunities (16.5%) Physical-Chemical parameters (27.3%) Geomorphology (53.9%) Figure 9. Variance partition with trichoptera data. Top graph present the percentages of all variation explained by environment and seasonality. Bottom graph present the total variation expressed by environment, separated by geomorphology (basin, riparian and habitat characteristics), physical-chemical variables, biological communities (IBMWP and IASPT) and temporality. DISCUSSION Observed patterns in caddisfly distribution in the Iberian Mediterranean area are spatial and temporal heterogeneous. Consequently, our results agree with the idea that distribution areas are dynamic structures (Antúnez & Mendoza, 1992), and they should be studied in a spatial- 286
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Departament d’Ecologia Facultat d
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Als rius
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Agraïments Ara que miro enrera, me
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Als companys del GUADALMED per have
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Chapter 6 ─ Trichoptera (insecta)
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Resum Hi ha cinc regions en el món
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Resum Factors històrics Factors ec
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Resum METODOLOGIA CAPÍTOL 1: Un pr
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Resum Capítol 1. De manera general
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Resum conca Mediterrània (65% de s
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Resum importants al sud-oest austra
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Resum Els resultats mostraren que l
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Resum No s’han trobat diferèncie
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Resum OBJECTIUS Capítol 6 Presenta
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Resum comunitats de tricòpters tro
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Resum elevades salinitats (probable
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Resum d’asimetria fluctuant i, pe
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Brief introduction and objectives T
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Brief introduction and objectives H
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Brief introduction and objectives 3
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Chapter 1 (Karr, 1981, 1996) using
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Chapter 1 Figure 1. Segura basin an
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Chapter 1 PROTOCOL 2: The samples c
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Chapter 1 Macroinvertebrates: effec
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Chapter 1 % similarity Figure 4. De
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Chapter 1 number of taxa ISASPT 28
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Chapter 1 are some differences in t
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Chapter 1 results got in the field
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Chapter 1 The more appropriate taxo
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Chapter 1 Protocol 1. Non-reference
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Chapter 1 CORKUM, L. D. (1989). Pat
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Chapter 1 RESH , V. H.; NORRIS, R.
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Chapter 1 Annex 1. List of taxa fou
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Chapter 2 The organisms more used t
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Chapter 2 Palmiet basins were selec
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Chapter 2 calcareous and sedimentar
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Chapter 2 Similarities and differen
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Chapter 2 1 0 -1 Spain B24-RLB24-SV
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Chapter 2 200 160 120 80 40 0 40 30
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Chapter 2 macroinvertebrate fauna o
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Chapter 2 methodology yield better
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Chapter 2 VIDAL-ABARCA, M.R.; VIVAS
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Chapter 2 NORRIS, R. H. & GEOREGES,
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Chapter 2 82
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Chapter 3 whereas summers are hot w
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Chapter 3 When first explorers arri
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Chapter 3 stream in the most humit
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Chapter 3 studies at multiple scale
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Chapter 3 ecoregion; 4 in “Northe
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Chapter 3 Project was to establish
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Chapter 3 condition this method is
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Chapter 3 Table 2. Exclusive and ub
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Chapter 3 Chile and SAustralia have
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Chapter 3 Differences between all s
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Chapter 3 the abundants Caenidae, H
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Chapter 3 Mean of % relative abunda
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Chapter 3 For the rest of med-regio
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Chapter 3 The values of IV-values f
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Chapter 3 Temporary sites are chara
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Chapter 3 but not for MedBasin and
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Chapter 3 Table 9. IndVal results b
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Chapter 3 CALIFORNIA 70.8% MEDBASIN
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Chapter 3 Geological connexions Com
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Chapter 3 In spite of these observe
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Chapter 3 multivoltine life cycles
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Chapter 3 intermittency, flood freq
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Chapter 3 Other convergences and di
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Chapter 3 BALL, I. R. (1975). Natur
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Chapter 3 DE MOOR, F. C. (1992). a.
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Chapter 3 GENTILLI, J. (1989). Clim
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Chapter 3 LOGAN, P. & BROOKER, M. P
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Chapter 3 PRAT, N. 1993. El futuro
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Chapter 3 Minshall, G. W. (eds.). S
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Chapter 3 Annex 1. Presence and abs
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Chapter 3 California MedBasin Chile
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Chapter 3 Plate 1. Characteristics
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Chapter 4 Lake, 1992; Cooper et al.
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Chapter 4 Coastal Ranges SAN FRANCI
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Chapter 4 IndVal method (Dufrêne &
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Chapter 4 the bottom have a similar
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Chapter 4 Figure 4. Bray-Curtis clu
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Chapter 4 because methodologies, sa
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Chapter 4 mediterranean areas in th
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Chapter 4 DELUCCHI, C. M. (1989). M
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Chapter 4 168
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Chapter 5 distribution of organisms
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Chapter 5 & Allan, 1995). The level
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Chapter 5 samples were preserved wi
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Chapter 5 Data analysis Seasonal ch
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Chapter 5 Macroinvertebrates and te
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Chapter 5 As a change in the flow c
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Chapter 5 2 1 0 -1 -2 1 0 -1 -2 Ca
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Chapter 5 number of taxa 45 40 35 3
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Chapter 5 Results from the 4 th Cor
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Chapter 5 flow species”. They dis
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Chapter 5 As Townsend and Hildrew (
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Chapter 5 a mix of riffles/pool/cor
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Chapter 5 Although natural disturba
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Chapter 5 GRAY, L. J.; FISHER, S. G
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Chapter 5 RESH, V. H.; JACKSON, J.
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Chapter 5 Annex 1. Physical structu
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Chapter 5 Annex 3. Biological trait
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Chapter 5 Annex 5. Maximum affinity
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Chapter 6 high number of endemic sp
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Chapter 6 Checklist structure and t
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Chapter 6 This species has been rec
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Chapter 6 DISTRIBUTION AND ECOLOGY
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Chapter 6 11- Rhyacophila pascoei M
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Chapter 6 1984), specially to suspe
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Chapter 6 This species can be found
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Chapter 6 Figure 3. Cephalic head f
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Chapter 6 47- Tinodes maclachlani K
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Page 267 and 268: Chapter 6 PRAT, N.; PUIG, M. A. & G
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Page 337 and 338: Chapter 8 DISCUSSION The wide range
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Page 341 and 342: Chapter 8 DOHET, A. (2002). Are cad
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Chapter 9 about the effect of envir
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Chapter 9 SPAIN FRANCE Pyrenees Med
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Chapter 9 influenced by salinity be
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Chapter 9 depending on the trait. A
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Chapter 9 Similarly to levels of FA
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Chapter 9 mix of individuals with l
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Chapter 9 Macroinvertebrates and Fi
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Chapter 9 MERILÄ, J. & BJORKLUND,
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Chapter 9 Annex 1. Values of mean (
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Conclusions 4. Responses to tempora
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Conclusions 356
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Conclusions 358
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Chapter 1 - Núria BONADA

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