[Babase] Maturedates

Susan Alberts alberts at duke.edu
Thu Apr 1 11:47:27 EDT 2010


>>>> 2. "Males (or those of unknown sex) may have juvenile (Stype=J)
>>>> SAMPLES rows for up to but not including 1 year after maturity
>>>> (MATUREDATES.Matured)."
>>>>
>>>>
>>>> SCA comment: I am not sure we should have this rule. At this point
>> we
>>>>
>>>> don’t sample subadult males (males that are past maturedate but
>> not
>>>> yet reached rankdate) but if we did, the format for those samples
>>>> would almost certainly be just like juv point samples.
>>>
>>> That's why the rule is there, because you sometimes continue to
>>> sample as juv samples.  IIRC there actually _was_ some data
>>> that was rejected by the conversion until we raised the limit
>>> to 1 year after the maturity date.  (Although this may
>>> have been females.)
>>>
>>>> Then we would
>>>> have a problem with this rule. However, if we substituted
>> "rankdates.
>>>>
>>>> Ranked" for "maturedates.matured" in this rule I would be more
>>>> comfortable. Comments?
>>>
>>> I thought rankdate came after maturity date so that would allow
>>> juvenile point samples for even longer than the current rule.
>>> Are you sure this is what you want?
>>
>> Males reach "maturedates" long before they reach adulthood (which
>> comes at rankdate). In this way they are different from females, who
>> reach adulthood upon reaching maturedates. For males, the rule should
>>
>> be different from females. We should allow them to be sampled as
>> juveniles well after they reach maturedates, in fact even after they
>> reach rankdates.
>>
>> Does this clarify?
>
> Ok.  The subadult males get juvenile samples.  So, for females the
> rule is still one year after maturedate, but for males the rule is
> what, one year after rankdate?

Yes, I think if we substitute "rankdates.Ranked" for  
"maturedates.matured" in this rule that would make sense.
Susan

>
>
>
> Karl <kop at meme.com>
> Free Software:  "You don't pay back, you pay forward."
>                 -- Robert A. Heinlein
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------------------------------------------------------------
Susan Alberts, Dept of Biology, Duke University, Box 90338, Durham NC  
27708. Phone 919-660-7272, FAX 919-660-7293






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