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Potential Areas for Commercial Timber Plantations of Tabebuia rosea(Bertol.)*** Michoacan,Mexico

Open Journal of Forestry 2017年第1期7卷 48-57页

作者： hipolito Jesus Munoz-Flores David Castillo-Quiroz Francisco Castillo-Reyes J.Trinidad Sáenz-Reyes Diana Avila-Flores Agustín Rueda-Sánchez national Institute of Forestry Agriculture and Livestock Research(INIFAP)-Experimental Station UruapanUruapanMéxico national Institute of Forestry Agriculture and Livestock Research(INIFAP)-Experimental Station SaltilloSaltilloMéxico

The targeted area for plant reforestation in the state of Michoacan is made up of eroded areas and pasture induced areas, both adding to 525,260 ha and representing 10.9% of the total surface of the state. The regions with the largest areas in need of reforestation are the Costa with 185,396 ha (29%), Oriente with 106,836 (17%) and Tierra Caliente with 96,284 (15%). Commercial forest plantations are an alternative for reducing the pressure on natural forests and creating options for sustainable and diversified development, changing the land use from fragmented agricultur and livestock purposes to forestry. The object of this study was to determine potential areas for the establishment of commercial forest plantations of Tabebuia rosea (Bertol.) DC. in the state of Michoacan, Mexico, by using geographic information systems. The outlining of potential areas was performed with the IDRISI 32 and ArcView programs, according to the environmental requirements of T. rosea. These environmental requirements include precipitation, temperature, soil, altitude, land use and slope. The analysis resulted in two maps where the potential areas for the establishment of commercial forest plantations with this species were shown, which turned out a total potential area of 54,320 ha, distributed in 47,566 ha considering a slope of 0% - 15% for non-manual forest plantations, and 6754 ha considering a slope of 15% - 30% for manual forest plantations. The ecologic conditions in Michoacan are favorable for successful establishment and development of commercial forest plantations of T. rosea.

关键词： Potential Areas Michoacan Commercial Forest Plantations Tabebuia rosea Geographic Information System

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Selective agonists reveal that alphalA-and alphalB-adrenoceptors contract tail artery of the young rat

Selective agonists reveal that alphalA-and alphalB-adrenocep...

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第十五届国际药理学大会

作者： Gallardo-Ortiz Itzell A. Pares-hipolito Jaime Gomez-Zamudio Jaime H. Lopez-Guerrero J.Javier Santamaria-Ortiz Jessica Ibarra Maximiliano Villalobos-Molina Rafael Depto.Farmacobiologia Cmvestav. Escuela Militar de Graduados de Sanidad. Depto.Farmacobiologia Cmvestav Depto.Farmacobiologia Cmvestav Unidad de Biomedicina EESIUNAM. Unidad de Biomedicina EESIUNAM. Unidad de Biomedicina EESIUNAM.

＜正＞ Multiple alphal-adrenoceptors seem to contract rat tail artery. AlphalA- predominates and either alpha1B-,alpha1D-,or alpha1L-is the second population. We characterized alphal-adrenoceptors with selective agonists/antagonists in tail artery of young Wistar rat. Tail artery was exposed to A61603 （n-[5-（4.5- dihy-dro- 1H- imidazol - 2 - yl） - 2 - hydroxy - 5. 6. 7. 8 - tetrahydronaphthalen- 1 - yl] methanesulfonamide） or to phenylephrine （alphalA- and alphal- agonists ）, and to prazosin （alphal- antagonist）, the alphal A-antagonists 5 - methy-lurapidil,RS 100329 （5-methyl - 3 - [3 - [4 - [2 - （2,2,2,-trifluoroethoxy） phenyl] - 1-piperazinyl] propyl] - 2,4-（1H）-pyrimidinedione）,RS 17053 （n- [2（2-cyclopropylmethoxy） ethyl] - 5-chloro-a, a-dimethyl - 1H-indole - 3-ethylamine）, and the alpha1D-antagonist BMY 7378 （8-[2-[4-（2-methoxyphenyl） - 1-piperazinyl] ethyl] - 8 - azaspiro[4.5] decane - 7,9 -dione） . A61603 showed 100 fold higher affinity over PHE. Prazosin,RS100329,5-MU,and RS17053 displaced agonists with high affinity indicating alphal A-adrenoceptors while PHE activated alphal B-adrenoceptors since BMY 7378 had low affinity.

关键词： alphalA/B-adrenoceptors rat tail artery

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