简介:Forestgeneticmapsareanimportantcomponentwithintheforestbiologist’stoolkit,underpinningforestimprovementprograms.Theestimationofforestgeneticmapsisaconceptuallysimpleyetcomputationallycomplexproblem,duetolonggrowthperiodandhighheterozygosisandgeneticloadofforesttrees.Atpresent,somegeneticmapsoftreeshavebeenconstructed.Thispaperreviewedtheprocessofforestgeneticmapconstruction,highlightingitsuniqueness,andpointedouttheproblemsthatmightriseinmapping.Finally,prospectwasmadeforconstructingthehighdensitygeneticmapoftrees.
简介:本标准代替GB/T17160-1997《1:500、1:1000、1:2000地形图数字化规范》。