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Crocothemis erythraea ♀

Crocothemis erythraea ♀
Crocothemis erythrea, femmina.jpg
Crocothemis erythraea ♀MiniatureCrocothemis erythraea ♀

Classe: Hexapoda
Ordine: Odonata
Famiglia: Libellulidae
Genere: Crocothemis
Specie: Crocothemis erythraea

Autore
Salvatore Canu
Dimensioni
3008*2000
Visite
470
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Metadata EXIF

Costruttore
NIKON CORPORATION
Modello
NIKON D5100
Data e ora (originale)
2011:08:22 09:13:30
ApertureFNumber
f/11.0

1 commento

  • Lorena - Mercoledì 27 Giugno 2012 09:41
    I think with this particular study, the nbmuers were so low that it was easy to count every individual. However, the means of counting vary from study to study. In one damselfly study I did as an undergrad, I marked off a particular area of the shore of a pond where I was observing damselfly behavior and counted every flight I observed within that area as part of my study. Others will do mark-recapture studies to estimate total nbmuers and others will use other methods of estimation. Sometimes you can't count them all and you have to rely on estimations, but so long as you explicitly state in the methods how you counted, then people will be able to understand what you did well enough to make their own conclusions based on your data. And thanks for the idea for a post! It's not one I'm going to do right away, but it would be a good topic to mull over for a while. And yes, I'm going to do more of these posts in the future. I normally do more of them than I have the last several months, so I want to get back into them.
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