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Articles 1 - 12 of 12
Full-Text Articles in Ecology and Evolutionary Biology
The Affect Of Low Tide On The Digestion Of Balanus Glandula, The Acorn Barnacle., Jesse Osborn
The Affect Of Low Tide On The Digestion Of Balanus Glandula, The Acorn Barnacle., Jesse Osborn
Scripps Senior Theses
The rocky intertidal zone, experiencing fully marine and fully terrestrial conditions, has become increasingly investigated as a model ecosystem for studying the future implications of climate change. The barnacle, Balanus glandula, a common rocky intertidal inhabitant, plays an important role as a key prey item for many organisms. Low tide can be particularly challenging for barnacles as they are marine organisms subjected to the abiotic conditions of a terrestrial environment. The most stressful of these are increased temperature and decreased oxygen availability. This study aimed to investigate how low tide impacts the energy budget, specifically the digestion, of B. …
A New Commons: Considering Community-Based Co-Management For Sustainable Fisheries, Charlotte L. Dohrn
A New Commons: Considering Community-Based Co-Management For Sustainable Fisheries, Charlotte L. Dohrn
Pomona Senior Theses
Commercial fisheries on the West Coast are traditionally managed under large-scale management and conservation plans implemented by state and federal agencies. This scale of management can present obstacles for fishing communities. This thesis examines emerging cases of attempts to define and implement sustainable management of commercial fisheries under a community-based co-management model. In Port Orford, Sitka, San Diego and Santa Barbara, preliminary community-based co-management models are enabling fishing communities to pursue social sustainability through preserving access, participating in local science, and direct marketing for fish products. These communities are actively reshaping traditional models of conceptualizing and managing common-pool resources like …
The Emerald Ash Borer, Emily Bryant
The Emerald Ash Borer, Emily Bryant
The STEAM Journal
An Emerald Ash Borer made from recycled natural materials to create sustainable art.
A Distributed Intelligence Approach To Multidisciplinarity: Encouraging Divergent Thinking In Complex Science Issues In Society., Jarod Kawasaki, Dai Toyofuku
A Distributed Intelligence Approach To Multidisciplinarity: Encouraging Divergent Thinking In Complex Science Issues In Society., Jarod Kawasaki, Dai Toyofuku
The STEAM Journal
The scientific issues that face society today are increasingly complex, open-ended and tentative (Sadler, 2004). Finding solutions to these issues, not only requires an understanding of the science, but also, concurrently dealing with political, social, and economic dimensions that exist (Hodson, 2003). For example, 40 years after the first congressional hearing on climate change held by Al Gore in 1976, the 2012 Intergovernmental Panel on Climate Change (IPCC) report states that climate change is still getting worse, despite efforts by governments, businesses, social actors such as Non-Government Organizations, and scientists. With the top minds in the world, across all disciplines, …
Three Poems: The Lorenz Transformations, Rotating The Strange Attractor To Find The Principal Components, The Sieve Of Eratosthenes, Robin Chapman
Three Poems: The Lorenz Transformations, Rotating The Strange Attractor To Find The Principal Components, The Sieve Of Eratosthenes, Robin Chapman
Journal of Humanistic Mathematics
No abstract provided.
Species Status Of Sclerocactus Brevispinus, S. Wetlandicus, And S. Glaucus: Inferences From Morphology, Chloroplast Dna Sequences, And Aflp Markers, J. Mark Porter, Jennifer Cruse-Sanders, Linda Prince, Robert Lauri
Species Status Of Sclerocactus Brevispinus, S. Wetlandicus, And S. Glaucus: Inferences From Morphology, Chloroplast Dna Sequences, And Aflp Markers, J. Mark Porter, Jennifer Cruse-Sanders, Linda Prince, Robert Lauri
Aliso: A Journal of Systematic and Floristic Botany
We examine patterns of variation in 12 continuous morphological traits, chloroplast DNA sequences from 10 intergenic spacer regions (petA-psbJ, psbk-trnS, psbM-trnD, rpob-trnC, trnC-trnD, trnGCU-trnG2S, trnFM-trnUGA, atpF-atpH, trnT-trnD, trnQ-psbk), atpF, and rpl16, and Amplified Fragment Length Polymorphism (AFLP) genetic markers in Sclerocactus glaucus sensu lato (= S. brevispinus, S. glaucus, and S. wetlandicus), a complex that historically has been considered conspecific and afforded protection …
Kalinia, A New North American Genus For A Species Long Misplaced In Eragrostis (Poaceae, Chloridoideae), Hester L. Bell, J. Travis Columbus, Amanda L. Ingram
Kalinia, A New North American Genus For A Species Long Misplaced In Eragrostis (Poaceae, Chloridoideae), Hester L. Bell, J. Travis Columbus, Amanda L. Ingram
Aliso: A Journal of Systematic and Floristic Botany
Eragrostis obtusiflora (Poaceae, Chloridoideae), a species distributed from the southwestern United States to central Mexico, has long been recognized for exhibiting morphological and anatomical features atypical of Eragrostis. Phylogenetic analyses of nuclear internal transcribed spacer sequences and plastid sequences demonstrate that E. obtusiflora should be excluded from Eragrostis (Eragrostideae) and instead be placed in Cynodonteae, although its position within this tribe was unresolved. Additional data, including anatomical and micromorphological characters, suggest a close relationship with Distichlis. However, differences in spikelet and rhizome characters prevent its inclusion in Distichlis. Therefore, the species is transferred to a newly described …
A New Species Of Linanthus (Polemoniaceae) From San Bernardino County, California, Naomi S. Fraga, Duncan S. Bell
A New Species Of Linanthus (Polemoniaceae) From San Bernardino County, California, Naomi S. Fraga, Duncan S. Bell
Aliso: A Journal of Systematic and Floristic Botany
Linanthus bernardinus is described as new from San Bernardino County, California. It is morphologically similar to L. killipii and L. orcuttii subsp. pacificus but differs from plants of these taxa in height, corolla length, seed morphology, and habitat. Linanthus bernardinus can be found growing in vernally moist areas within Joshua tree woodland, often in shallow depressions, or on gentle slopes, in decomposed granite sand that is surrounded by large granite boulder fields.
Sequoiadendron Giganteum (Cupressaceae) At Lake Fulmor, Riverside County, California, Rudolf Schmid, Mena Schmid
Sequoiadendron Giganteum (Cupressaceae) At Lake Fulmor, Riverside County, California, Rudolf Schmid, Mena Schmid
Aliso: A Journal of Systematic and Floristic Botany
A GPS census made on 19 June 2012 of the Lake Fulmor area, northwestern San Jacinto Mountains, Riverside County, California, revealed seven trees of the Sierra Nevada endemic Sequoiadendron giganteum (Cupressaceae). The trees occur in a 234-meter-long narrow strip along the northwestern side of the lake. The population appears to be naturalizing. The largest tree (45 cm DBH, about 20 m tall), planted in 1980, is reproductively mature. Its six offspring to the northeast and southwest are 3–5 m tall and do not presently bear cones.
Family Matters: An Analysis Of Genetic Relatedness Of Tetraclita Rubescens (The Pink Volcano Barnacle) Over Several Spatial Scales At Monterey And Bodega Bay, California, Kelly N. Chang
Scripps Senior Theses
Inbreeding involves the mating of closely related individuals at a higher frequency than at random; this can decrease the average fitness of populations and individuals by reducing the presence of heterozygotes and augmenting the expression of deleterious genes. Since marine invertebrates exhibit widespread dispersal, their potential for inbreeding is often disregarded. The adult sessile state of barnacles creates the potential for inbreeding as a result of necessary copulation between neighboring individuals. Depending on the degree of mixing that occurs during dispersal, closely related individuals or siblings may settle in close proximity, generating the possibility of kin aggregation and consequent inbreeding. …