g-03の畝の横のたんぽぽ petをつけて 定点観察してみよう のこぎりばるめっと おべんきょうその07
g-03のネギの畝の横の たんぽぽ花が咲いてからどうなっていくのかしばらく 観察中花がさいて10cmに伸びて 横になっているそれから20-30cmくらいになって 綿毛をとばしているみたいpetをかけておいた今週は 良く見ておこうたんぽぽ いつも 花を咲かしているが定点観測をしてみようこれは1/09の写真petをつけたら わたげは いつまでのこるかな??のこぎりばるめっと おべんきょうその07保全状況NatureServe conservation status - G4Commonly encountered ranksThe most commonly encountered NatureServe conservation statuses at the G-, N-, or S-level are:Numbers[edit]1 - Critically imperiled (typically having 5 or fewer occurrences, or 1,000 or fewer individuals).2 - Imperiled (typically having 6 to 20 occurrences, or 1,001 to 3,000 individuals).3 - Vulnerable (rare; typically having 21 to 100 occurrences, or 3,001 to 10,000 individuals).4 - Apparently secure (uncommon but not rare, but with some cause for long-term concern; typically having 101 or more occurrences, or 10,001 or more individuals).5 - Secure (common, widespread, abundant, and lacking major threats or long-term concerns).Letters[edit]X - Presumed extinct or extirpated (not located despite extensive and intensive searches, with rediscovery not reasonably expected). Note that extinction is here considered a global (range-wide) phenomenon, while extirpation applies to loss within a particular national or subnational area, with the entity still extant elsewhere.H - Possibly extinct or extirpated (of historical occurrence but not known recently extant, with some reasonable hope of rediscovery).R or ? - Recorded within a nation or subnation, but local status not available or not yet determined. When combined with a global rank of G1 to G3, local status is 'Indeterminate,' but the entity is nevertheless presumed vulnerable, if still extant.Thus, for example, a G3 species is "globally vulnerable", and an N2 species is "nationally imperiled" for the particular country the rank is assigned. Species with G, N, or S rankings of 4 or 5 are generally not the basis for major conservation actions.はた坊
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