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5 results for “Colombian Eastern Cordillera”
Data from: A millennium of climatic and floristic dynamics in the Eastern Cordillera of the Colombian Andes
<p><span>The transition from the Medieval Climate Anomaly (MCA, 950-1250 CE) to the Little Ice Age (LIA, 1350 to 1800 CE) is the largest pre-industrial climate shift within the last two millennia, offering an opportunity to study how vegetation responds to rapid climate change. We analyzed a sedimentary record from the Colombian Andes to reconstruct regional vegetation dynamics during this time interval, identify the modern environmental distribution of taxa present in the fossil record, and provide a reference for modern regional temperature change.</span> <span>A sediment core was analyzed for organic geochemistry and pollen to reconstruct environmental and vegetation variability between 800 and 1800 CE. Modern occurrences of individuals of the genera found in the fossil record were used to model the distribution of taxa across gradients of mean annual temperature and precipitation. These models were used to reconstruct temperature and precipitation across time and evaluate the probability of occurrence of taxa from the fossil record across the contemporary landscape. </span><span> </span><span>Reconstructed regional vegetation dynamics were highly coupled with global temperature patterns. Reconstructed climate showed that conditions were warm and dry during the MCA, and cold and relatively wet during the LIA, although quantitative estimations might have been amplified by human disturbances. Rates of temperature change during the MCA-LIA transition were substantially lower than those calculated for the last two decades. Vegetation turnover between 800 and 1800 CE resembled those expressed through a transect extending ~30 km southeast from the lake.</span><span> Around lake Tota, modern rates of temperature change have no precedent within the last two millennia. The modern environmental affinities of taxa involved in vegetation turnover during the MCA-LIA transition point to the importance of landscape diversity and connectivity for rapid vegetation response to climate change.</span></p>
Data from: A millennium of climatic and floristic dynamics in the Eastern Cordillera of the Colombian Andes
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On following pages: 90. Grizzled Small-eared Shrew (Cryptotis obscurus); 91. Phillips's Small-eared Shrew (Cryptotis phillipsii); 92. Eastern Cordillera Small-eared Shrew (Cryptotis brachyonyx); 93. Colombian Small-eared Shrew (Cryptotis colombianus); 94. Honduran Small-eared Shrew (Cryptotis hondurensis); 95. Darien Small-eared Shrew (Cryptotis merus); 96. Blackish Small-eared Shrew (Cryptotis nigrescens); 97. Lacandona Small-eared Shrew (Cryptotis lacandonensis); 98. Yucatan Small-eared Shrew (Cryptotis mayensis); 99. Merriam''s Small-eared Shrew (Cryptotis merriami); 100. Berlandier's Least Shrew (Cryptotis berlandieri); 101. Central American Least Shrew (Cryptotis orophilus); 102. North American Least Shrew (Cryptotis parvus); 103. Puebla Least Shrew (Cryptotis pueblensis); 104. Mexican Least Shrew (Cryptotis soricinus); 105. Tropical Least Shrew (Cryptotis tropicalis); 106. Popocatepetl Broad-clawed Shrew (Cryptotis alticola); 107. Goldman's Broad-clawed Shrew (Cryptotis goldmani); 108. Oaxacan Broad-clawed Shrew (Cryptotis peregrinus); 109. Talamancan Broad-clawed Shrew (Cryptotis gracilis); 110. Santa Barbara Broad-clawed Shrew (Cryptotis cavatorculus); 111. Celaque Broad-clawed Shrew (Cryptotis celague); 112. Dark Mexican Broad-clawed Shrew (Cryptotis griseoventris); 113. Omoa Broad-clawed Shrew (Cryptotis mccarthy); 114. Muscular Broad-clawed Shrew (Cryptotis lacertosus); 115. Honduran Broad-Clawed Shrew (Cryptotis magnimana); 116. Mam Broad-clawed Shrew (Cryptotis mam); 117. Goodwin's Broad-clawed Shrew (Cryptotis goodwini); 118. Highland Broad-clawed Shrew (Cryptotis oreoryctes); 119. Monteverde Small-eared Shrew (Cryptotis monteverdensis); 120. Enders's Small-eared Shrew (Cryptotis endersi); 121. Aroa Small-eared Shrew (Cryptotis aroensis); 122. Thomas's Small-eared Shrew (Cryptotis thomasi); 123. Dinira Small-eared Shrew (Cryptotis dinirensis), 124. Venezuelan Small-eared Shrew (Cryptotis venezuelensis), 125. Merida Small-eared Shrew (Cryptotis meridensis); 126. Tama Small-eared Shrew (Cryptotis tamensis); 127. Perija Small-eared Shrew (Cryptotis perijensis); 128. Medellin Small-eared Shrew (Cryptotis medellinius); 129. Western Colombian Small-eared Shrew (Cryptotis squamipes); 130. Ecuadorean Small-eared Shrew (Cryptotis equatoris); 131. Osgood's Small-eared Shrew (Cryptotis osgoodi); 132. Wandering Small-eared Shrew (Cryptotis montivagus); 133. Blind Small-eared Shrew (Cryptotis niausa); 134. Evaristo's Small-eared Shrew (Cryptotis evaristoi); 135. Peruvian Small-eared Shrew (Cryptotis peruviensis). in Soricidae
On following pages: 90. Grizzled Small-eared Shrew (Cryptotis obscurus); 91. Phillips's Small-eared Shrew (Cryptotis phillipsii); 92. Eastern Cordillera Small-eared Shrew (Cryptotis brachyonyx); 93. Colombian Small-eared Shrew (Cryptotis colombianus); 94. Honduran Small-eared Shrew (Cryptotis hondurensis); 95. Darien Small-eared Shrew (Cryptotis merus); 96. Blackish Small-eared Shrew (Cryptotis nigrescens); 97. Lacandona Small-eared Shrew (Cryptotis lacandonensis); 98. Yucatan Small-eared Shrew (Cryptotis mayensis); 99. Merriam''s Small-eared Shrew (Cryptotis merriami); 100. Berlandier's Least Shrew (Cryptotis berlandieri); 101. Central American Least Shrew (Cryptotis orophilus); 102. North American Least Shrew (Cryptotis parvus); 103. Puebla Least Shrew (Cryptotis pueblensis); 104. Mexican Least Shrew (Cryptotis soricinus); 105. Tropical Least Shrew (Cryptotis tropicalis); 106. Popocatepetl Broad-clawed Shrew (Cryptotis alticola); 107. Goldman's Broad-clawed Shrew (Cryptotis goldmani); 108. Oaxacan Broad-clawed Shrew (Cryptotis peregrinus); 109. Talamancan Broad-clawed Shrew (Cryptotis gracilis); 110. Santa Barbara Broad-clawed Shrew (Cryptotis cavatorculus); 111. Celaque Broad-clawed Shrew (Cryptotis celague); 112. Dark Mexican Broad-clawed Shrew (Cryptotis griseoventris); 113. Omoa Broad-clawed Shrew (Cryptotis mccarthy); 114. Muscular Broad-clawed Shrew (Cryptotis lacertosus); 115. Honduran Broad-Clawed Shrew (Cryptotis magnimana); 116. Mam Broad-clawed Shrew (Cryptotis mam); 117. Goodwin's Broad-clawed Shrew (Cryptotis goodwini); 118. Highland Broad-clawed Shrew (Cryptotis oreoryctes); 119. Monteverde Small-eared Shrew (Cryptotis monteverdensis); 120. Enders's Small-eared Shrew (Cryptotis endersi); 121. Aroa Small-eared Shrew (Cryptotis aroensis); 122. Thomas's Small-eared Shrew (Cryptotis thomasi); 123. Dinira Small-eared Shrew (Cryptotis dinirensis), 124. Venezuelan Small-eared Shrew (Cryptotis venezuelensis), 125. Merida Small-eared Shrew (Cryptotis meridensis); 126. Tama Small-eared Shrew (Cryptotis tamensis); 127. Perija Small-eared Shrew (Cryptotis perijensis); 128. Medellin Small-eared Shrew (Cryptotis medellinius); 129. Western Colombian Small-eared Shrew (Cryptotis squamipes); 130. Ecuadorean Small-eared Shrew (Cryptotis equatoris); 131. Osgood's Small-eared Shrew (Cryptotis osgoodi); 132. Wandering Small-eared Shrew (Cryptotis montivagus); 133. Blind Small-eared Shrew (Cryptotis niausa); 134. Evaristo's Small-eared Shrew (Cryptotis evaristoi); 135. Peruvian Small-eared Shrew (Cryptotis peruviensis).
FIGURE 1 in A new species of Begonia section Casparya from the Colombian Eastern Cordillera and a key to the Colombian Casparya
FIGURE 1. Begonia solaniflora Jara sp. nov. A) branches, B) leaf, C) detail of petiole showing hairs, D) staminate flower, E) pistillate flower and ovary, F) fruit in lateral view, G) fruit in superior view, H) transverse section of the fruit showing the unilamellar placentae.
FIGURE 2 in A new species of Begonia section Casparya from the Colombian Eastern Cordillera and a key to the Colombian Casparya
FIGURE 2. Begonia solaniflora Jara sp. nov. (A) geographic distribution of Begonia solaniflora, (B) habitat of Begonia solaniflora, side of ravine, (C) photograph of living plant showing lateral view of the pistillate flower, indicating the bifurcate style condition. D) photograph of living plant showing the staminate flower and the large hyaline bracts.
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