Reciprocal specialization in ecological networks Export

@article{citeulike:4932679, abstract = {Theories suggest that food webs might consist of groups of species forming 'blocks', 'compartments' or 'guilds'. We consider ecological networks 2013 subsets of complete food webs 2013 involving species at adjacent trophic levels. Reciprocal specializations occur when (say) a pollinator (or group of pollinators) specializes on a particular flower species (or group of such species) and vice versa. Such specializations tend to group species into guilds. We characterize the level of reciprocal specialization for both antagonistic interactions 2013 particularly parasitoids and their hosts 2013 and mutualistic ones 2013 such as insects and the flowers that they pollinate. We also examine whether trophic patterns might be 'palimpsests'2013 that is, there might be reciprocal specialization within taxonomically related species within a network, but these might be obscured when these relationships are combined. Reciprocal specializations are rare in all these systems when tested against the most conservative null model.}, address = {Nicholas School of the Environment and Earth Sciences, Duke University, Box 90328, Durham, NC 23708, USA; Integrative Ecology Group, Estacin Biolgica de Doana, Consejo Superior de Investigaciones Cientficas, Calle Amrico Vespucio sn, E-41092 Sevilla, Spain; Institute of Marine Sciences, ICM-Consejo Superior de Investigaciones Cientificas, Paseo Maritimo de la Barceloneta 37-49, 08003 Barcelona, Spain; Complex Systems Lab, Universitat Pompeu Fabra. Barcelona Biomedical Research Park, Dr. Aiguad 88, 08003 Barcelona, Spain; Santa Fe Institute, 1399 Hyde Park Road, NM 87501, USA; Wildlife Conservation Network, 25745 Bassett Lane, Los Altos, CA 94022, USA}, author = {Joppa, Lucas N. and Bascompte, Jordi and Montoya, Jose M. and Sol\'{e}, Ricard V. and Sanderson, Jim and Pimm, Stuart L.}, citeulike-article-id = {4932679}, citeulike-linkout-0 = {http://dx.doi.org/10.1111/j.1461-0248.2009.01341.x}, citeulike-linkout-1 = {http://www3.interscience.wiley.com/cgi-bin/abstract/122464344/ABSTRACT}, doi = {10.1111/j.1461-0248.2009.01341.x}, issn = {1461-0248}, journal = {Ecology Letters}, keywords = {networks}, number = {9}, pages = {961--969}, posted-at = {2009-06-29 10:45:53}, priority = {2}, title = {Reciprocal specialization in ecological networks}, url = {http://dx.doi.org/10.1111/j.1461-0248.2009.01341.x}, volume = {12}, year = {2009} }

TY - JOUR ID - citeulike:4932679 L3 - citeulike-article-id:4932679 N2 - Theories suggest that food webs might consist of groups of species forming 'blocks', 'compartments' or 'guilds'. We consider ecological networks 2013 subsets of complete food webs 2013 involving species at adjacent trophic levels. Reciprocal specializations occur when (say) a pollinator (or group of pollinators) specializes on a particular flower species (or group of such species) and vice versa. Such specializations tend to group species into guilds. We characterize the level of reciprocal specialization for both antagonistic interactions 2013 particularly parasitoids and their hosts 2013 and mutualistic ones 2013 such as insects and the flowers that they pollinate. We also examine whether trophic patterns might be 'palimpsests'2013 that is, there might be reciprocal specialization within taxonomically related species within a network, but these might be obscured when these relationships are combined. Reciprocal specializations are rare in all these systems when tested against the most conservative null model. IS - 9 JF - Ecology Letters SN - 1461-0248 AD - Nicholas School of the Environment and Earth Sciences, Duke University, Box 90328, Durham, NC 23708, USA; Integrative Ecology Group, Estacin Biolgica de Doana, Consejo Superior de Investigaciones Cientficas, Calle Amrico Vespucio sn, E-41092 Sevilla, Spain; Institute of Marine Sciences, ICM-Consejo Superior de Investigaciones Cientificas, Paseo Maritimo de la Barceloneta 37-49, 08003 Barcelona, Spain; Complex Systems Lab, Universitat Pompeu Fabra. Barcelona Biomedical Research Park, Dr. Aiguad 88, 08003 Barcelona, Spain; Santa Fe Institute, 1399 Hyde Park Road, NM 87501, USA; Wildlife Conservation Network, 25745 Bassett Lane, Los Altos, CA 94022, USA EP - 969 TI - Reciprocal specialization in ecological networks VL - 12 SP - 961 KW - networks AU - Joppa, Lucas AU - Bascompte, Jordi AU - Montoya, Jose AU - Solé, Ricard AU - Sanderson, Jim AU - Pimm, Stuart PY - 2009/// UR - http://dx.doi.org/10.1111/j.1461-0248.2009.01341.x ER -