Café.

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+[[!meta title="The Seasonal Distribution of the Appendicularia in the Region of San Diego, California"]]
+[[!tag Oikopleura]]
+
+Ecology Vol. 3, No. 1 (Jan., 1922), pp. 55-64
+
+Christine E. Essenberg
+
+The Seasonal Distribution of the Appendicularia in the Region of San Diego, California
+
+[[!doi 10.2307/1929090 desc="Higher abundances of O. dioica in cool temperatures during winter."]]

diff --git a/tags/Oikopleura.mdwn b/tags/Oikopleura.mdwn
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+++ b/tags/Oikopleura.mdwn
@@ -183,6 +183,9 @@ Ecology
 
  - _O. dioica_ populations may have a higher fitness in warmer and more acid oceans
    ([[Bouquet et al., 2018|biblio/29298334]]).
+ - In California, _O. dioica_ was reported by C. Essenberg
+   ([[1922|biblio/1929090]]) to be rare in summer's warm (> 20ºC) waters and
+   more abundant in winter's cool (13~16 ºC) waters.
  - _O. dioica_ has “a very large mutation rate, and/or a very large effective
    population size” ([[Denoeud et al., 2010|biblio/21097902]], according to a study
    of silent and non-silent substitution rates in coding sequences).