简介：生态文学是审视和表现人与自然关系的文学。在人类面临自然生态危机与精神危机的今天，倡导人与自然和谐共生，从追求单纯的物质满足转向精神满足的生态文学引领着人类重返精神家园，真正地“诗意的栖居”于地球之上。

简介：Inaviewofnaturalconditionsofestablishingnaturereserve,anindexsystemwaspreparedforquantitativeassessmentonstatusofendangeredspecies,andthusdegreeofendangeredspeciesinTibetwasevaluated.Takingasub-ecozoneasbasicunit,top5animalsand1plantwithhighEaswellasthenumberofspeciesineachunitwereenumerated;andthedegreeoflandutilizationwasfiguredout.Afterward,weselected6coefficients,assignedweight,andframedformulatoreckonproportionofnaturereserve,thusanareaofnaturereserveineachsub-ecozonewasobtained.In5schemesofweightassignment,aschemewithmediumareaofnaturereservewasselected.Allsub-ecozoneswereclassifiedinto4gradespriorconservation,1wasingradeA,2ingradeB,2ingradeC,and11ingradeD.Totalplannedareawasapproximately365135km2,about48834km2smallerthantheactualareaof413969km2,ratioofnaturereserveinTibetdiminishesfrom34.4%to30.38%.Basedon3factorsofhumandisturbance,ratioofbuffer-experimentalzoneinproposednaturereservewascalculated.Itwasdemonstratedthatexistingsizeofnaturereservesisexcessiveonthewhole,andtheirdistributionisnotreasonableentirely.Thesizeofnaturereservesin3sub-ecozonesofnorthernChangtangshoulddecrease,anddecrementofareaisapportionedamongother13sub-ecozoneswhichshouldincreasenaturereserve.HeterogeneityofregionaldistributionofrarespeciesinTibetisquiteobvious,soproposedareadistributionofnaturereservesismorescatteredthantheexisting.

简介：【编者按】伴随着建设中原经济区的大潮，河南省以其农业、工业、交通所占据的比较优势已成为崛起在我国中东部的一颗璀璨之星。在这片中原沃土上，根植着这样一群企业，它们以服务畜牧业为己任，以推动地方经济发展为职责，积极探索生产技术创新，大胆进行管理制度改革，勇于实践产业化经营之路，为加快建设现代畜牧业，为增强现代畜牧业在中原经济区“三化”建设中的作用贡献力量。在推进中原经济区建设的新形势下，本刊将走进这些畜牧企业，用最真实的笔触记录企业成长历程，用最贴切的报道呈现企业成功之道。