Functional ecology of a narrow endemic plant and a widespread congener from semiarid Spain

Anthos, 2008 Baskauf, 1994, Comparative ecophysiology of a rare and widespread species of Echincea (Asteraceae), American Journal of Botany, 81, 958, 10.1002/j.1537-2197.1994.tb15582.x Baskin, 1997, The comparative autecology of endemic, globally-rare and geographically widespread, common plant species: three case studies, Southwestern Naturalist, 42, 384 Bevill, 1999, Comparisons of related rare and common species in the study of plant rarity, Conservation Biology, 13, 493, 10.1046/j.1523-1739.1999.97369.x Bosch, 2006, Recovery plans for Delphinium bolosii and Thymus loscosii: results from three-year studies and conclusions, Bocconea, 16, 147 BOE. 1990. Catálogo Nacional de Especies Amenazadas. Brown, 2003, Seed production and germination in two rare and three common co-occurring Acacia species from south-east Australia, Austral Ecology, 28, 271, 10.1046/j.1442-9993.2003.t01-4-01287.x Burriel, 1950, El fósforo en los suelos españoles. V. Nuevo método para la determinar el fósforo asimilable en los suelos, Anales de Edafología y Agrobiología, 9, 611 Caley, 2003, Growth trades off with habitat specialization, Proceedings of the Royal Society of London, Biological Sciences, 270, S175, 10.1098/rsbl.2003.0040 Chapin, 1993, Evolution of suites of traits in response to environmental stress, The American Naturalist, 142, S78, 10.1086/285524 Collins, 1992, Competition between native and immigrant Polygonum congeners, Canadian Journal of Botany, 71, 939, 10.1139/b93-105 Cornelissen, 2003, A handbook of protocols for standardised and easy measurement of plant functional traits worldwide, Australian Journal of Botany, 51, 335, 10.1071/BT02124 Farnsworth, 2007, Plant life history traits of rare versus frequent plant taxa of sandplains: implications for research and management trials, Biological Conservation, 136, 44, 10.1016/j.biocon.2006.10.045 Futuyma, 1988, The evolution of ecological specialization, Annual Review of Ecology and Systematics, 19, 207, 10.1146/annurev.es.19.110188.001231 Gankin, 1964, Arctostaphylos myrtifolia, its biology and relationship to the problem of endemism, Ecology, 45, 792, 10.2307/1934926 García, 2007, Demografía y viabilidad de poblaciones periféricas del tomillo sanjuanero (Thymus loscosii Willk.), endemismo del Valle del Ebro, Ecosistemas, 1, 49 Gaston, 1990, Patterns in the geographical ranges of species, Biological Reviews, 65, 105, 10.1111/j.1469-185X.1990.tb01185.x Gaston, 1990, Effects of scale and habitat on the relationship between regional distribution and local abundance, Oikos, 58, 329, 10.2307/3545224 Gitzendanner, 2000, Patterns of genetic variation in rare and widespread plant congeners, American Journal of Botany, 87, 783, 10.2307/2656886 Grime, 1977, Evidence for the existence of three primary strategies in plants and its relevance to ecological and evolutionary theory, The American Naturalist, 111, 1169, 10.1086/283244 Gratani, 1998, Relationship between photosynthetic activity and chlorophyll content in an isolated Quercus ilex L. tree during the year, Photosynthetica, 35, 445, 10.1023/A:1006924621078 Iriondo, 2008, Conservation of plant populations. Myths and paradigms, 247 Kruckeberg, 1985, Biological aspects of endemism in higher-plants, Annual Review of Ecology and Systematics, 16, 447, 10.1146/annurev.es.16.110185.002311 Lambdon, 2006, How strongly do interactions with closely-related native species influence plant invasions? Darwin's naturalization hypothesis assessed on Mediterranean islands, Journal of Biogeography, 33, 1116, 10.1111/j.1365-2699.2006.01486.x Lavergne, 2004, The biology and ecology of narrow endemic and widespread plants: a comparative study of trait variation in 20 congeneric pairs, Oikos, 107, 505, 10.1111/j.0030-1299.2004.13423.x Legendre, 1998 López-Pujol, 2004, Allozyme diversity in the tetraploid endemic Thymus loscosii (Lamiaceae), Annals of Botany, 93, 323, 10.1093/aob/mch039 Maestre, 2003, Small-scale spatial patterns of two soil lichens in semi-arid Mediterranean steppe, Lichenologist, 35, 71, 10.1006/lich.2002.0425 Maxwell, 2000, Chlorophyll fluorescence – a practical guide, Journal of Experimental Botany, 51, 659, 10.1093/jexbot/51.345.659 Medina, 2007, Tropical forests: diversity and function of dominant life-forms Meyer, 1986, The ecology of gypsophile endemism in the eastern Mojave Desert, Ecology, 67, 1303, 10.2307/1938686 Meyer, 1992, Topographic and soil surface effects on gypsophile plant community patterns in central Mexico, Journal of Vegetation Science, 3, 429, 10.1111/j.1654-1103.1992.tb00353.x Miriti, 2007, Twenty years of changes in spatial association and community structure among desert perennials, Ecology, 88, 1177, 10.1890/06-1006 Molero, 1983, Contribución al estudio biotaxonómico de Thymus loscosii Willk. y Thymus fontqueri (Jalas) Molero & Rovira, Stat. Nov., Anales del Jardín Botánico, 39, 279 Morales, 1986, Taxonomía de los géneros Thymus (excluida la sección Serpyllum) y Thymbra en la Península Ibérica Morales, 1995, Híbridos de Thymus L. (Labiatae) en la Península Ibérica, Anales del Jardín Botánico, 53, 199 Morales, 2002, The history, botany and taxonomy of the genus Thymus Mulkey, 2003, Comparative ecophysiology and demography of three neotropical forest shrubs: alternative shade-adaptive character syndromes, Oecologia, 96, 526, 10.1007/BF00320510 Murray, 2002, How plant life-history and ecological traits relate to species rarity and commonness at varying spatial scales, Austral Ecology, 27, 291, 10.1046/j.1442-9993.2002.01181.x Ninyerola, 2005 Orellana, 2005, Pollination and reproductive success in the gynodioecious endemic Thymus loscosii (Lamiaceae), Canadian Journal of Botany, 83, 183, 10.1139/b04-166 Palacio, 2007, Plants living on gypsum: beyond the specialist model, Annals of Botany, 99, 333, 10.1093/aob/mcl263 Perry, 1998, Measures of spatial pattern for counts, Ecology, 79, 1008, 10.1890/0012-9658(1998)079[1008:MOSPFC]2.0.CO;2 Perry, 2002, A new method to measure spatial association for ecological count data, Ecoscience, 9, 133, 10.1080/11956860.2002.11682699 Pohlman, 2005, Geographic range size, seedling ecophysiology and phenotypic plasticity in Australian Acacia species, Journal of Biogeography, 32, 341, 10.1111/j.1365-2699.2004.01181.x Poorter, 1999, Ecological significance of inherent variation in relative growth rate and its components, 81 Rabinowitz, 1981, Seven forms of rarity, 205 Radojevic, 1999 Ramsay, 2007, Implications of the spatial pattern of Vigur's Eyebright (Euphrasia vigursii) for heathland management, Basic and Applied Ecology, 8, 242, 10.1016/j.baae.2006.06.001 Rapson, 1994, Variation and integration in the rare grass Achnatherum (Oryzopsis) hendersonii: phenotypic comparison with parapatric common congeners, International Journal of Plant Sciences, 156, 530 Reich, 1992, Leaf life-span in relation to leaf, plant, and stand characteristics among diverse ecosystems, Ecological Monographs, 62, 365, 10.2307/2937116 Reich, 2003, The evolution of plant functional variation: traits, spectra and strategies, International Journal of Plant Sciences, 164, S143, 10.1086/374368 Rice, 2000, Oak canopy effects on the distribution patterns of two annual grasses: the role of competition and soil nutrients, American Journal of Botany, 87, 1699, 10.2307/2656747 Richards, 2003, Physiological profiles of restricted endemic plants and their widespread congeners in the North Queensland wet tropics, Australia, Biological Conservation, 111, 41, 10.1016/S0006-3207(02)00245-8 Richards, 2005, Habitat range and phenotypic variation in salt marsh plants, Plant Ecology, 176, 263, 10.1007/s11258-004-0841-3 Rösch, 1997, Predicting competitive interactions between pioneer plant species by using plant traits, Journal of Vegetation Science, 8, 489, 10.2307/3237200 Rosenzweig, 1981, A theory of habitat selection, Ecology, 62, 327, 10.2307/1936707 Sánchez-Gómez, 2006, Functional traits and plasticity underlying shade tolerance in seedlings of four Iberian forest tree species, Tree Physiology, 26, 1425, 10.1093/treephys/26.11.1425 Snyder, 1994, Comparative ecology of the narrow endemic Echinacea tennesseensis and 2 geographically widespread congeners – relative competitive ability and growth-characteristics, International Journal of Plant Sciences, 155, 57, 10.1086/297147 Suding, 2003, Relationships among species traits: separating levels of response and identifying linkages to abundance, Ecology, 84, 1, 10.1890/0012-9658(2003)084[0001:RASTSL]2.0.CO;2 Sultan, 1995, Phenotypic plasticity and plant adaptation, Acta Botanica Neerlandica, 44, 363, 10.1111/j.1438-8677.1995.tb00793.x Sultan, 1998, Contrasting ecological breadth of co-occurring annual Polygonum species, Journal of Ecology, 86, 363, 10.1046/j.1365-2745.1998.00265.x Sultan, 2001, Phenotypic plasticity for fitness components in Polygonum species of contrasting ecological breadth, Ecology, 82, 328, 10.1890/0012-9658(2001)082[0328:PPFFCI]2.0.CO;2 2001 Valladares, 2002, Plasticity, instability and canalization: is the phenotypic variation in seedlings of sclerophyll oaks consistent with the environmental unpredictability of Mediterranean ecosystems?, New Phytologist, 156, 457, 10.1046/j.1469-8137.2002.00525.x Valladares, 2005, Photoinhibition and drought in Mediterranean woody saplings: scaling effects and interactions in sun and shade phenotypes, Journal of Experimental Botany, 56, 483, 10.1093/jxb/eri037 Valladares, 2005, Impactos sobre los ecosistemas terrestres Van der Maarel, 1979, Transformation of cover-abundance values in phytosociology and its effects on community similarity, Vegetatio, 39, 97, 10.1007/BF00052021 Walkley, 1934, An examination of Degtjareff method for determining soil organic matter and a proposed modification of the chromic titration method, Soil Science, 34, 29, 10.1097/00010694-193401000-00003 Wellburn, 1994, The spectral determination of chlorophyll a and b, as well as total carotenoids, using various solvents with spectrophotometers of different resolution, Journal of Plant Physiology, 144, 307, 10.1016/S0176-1617(11)81192-2 Wilson, 1994, On the coexistence of specialists and generalists, American Naturalist, 144, 692, 10.1086/285702 Zar, 1999