3�N��˹��̎��I�B(y��ng)��ˮ�w��ԇ��^�о�

��r�g��2009-08-19 16:18 ��Դ�� : ־��,��S��,��N��Ӣ��h,��x��܊ ��x��3490

ᘌ��I�B(y��ng)��ˮ�w,��ͬ�ȗl��_չ��3�N��˹��̎��Ч��ı��^�о�,��ԇ��ìF(xi��n)��ԇҎ(gu��)ģ��ˮ��ؓ�ɞ�0.8m/(m·d).�Y��,��ֱ��,��ͱ��3�N�˹��،��ƽ��ȥ��ʷքe��33.2%��27.4%��14.1%,��ƽ��ȥ��ʷքe��52.3%,��50.1%��19.2%��׵�ƽ��ȥ��ʷքe��58.8%,��57.9%��26.3%,��i��}ָ��(sh��)��ƽ��ȥ��ʷքe��37.2%��38.3%��14.8%,��~�G��a��ƽ��ȥ��ʷքe��86.9%,��96.1%��55.3%�,��Ҋ,��ֱ��˹��،��Ϳ��׵�ȥ��Ч��,��˹��،��i��}ָ��(sh��)��~�G��a��ȥ��Ч��,��ֱ��͝��˹��֮�g�Ĳ�^С��˹��،��Ⱦ��ȥ��Ч��h��ǰ��.�ĳ�ˮˮ�|��(w��n)��ԁ��,��ֱ��˹��س�ˮˮ�|�(w��n)��֮,��,��

�˹��ܺĺ��׹��ȃ�(y��u)�c��V��ڸ��ͬˮ�w��ˮ�|��,��(zh��n)��ˮ,��I(y��)�Uˮ��r(n��ng)�I(y��)��ˮ�ȷ��.��Y��ͬ�Ɍ��֞��,��ʹ�ֱ��3�N��,��߃�(y��u)ȱ�c,��ʮ��˹��ر��̎��I�B(y��ng)��ˮ�w,��Ӣ��̩��ʿ��,��Apopka��“�Ⱦ��˹��ؼ��g��ñ��˹��,��(n��i)��˹��ؼ��g��ڸ��I�B(y��ng)��ˮ�w��Ҳ��һЩ�о��,��焢�t��_չ�˝��ʹ�ֱ��˹��ظ��ƹُdˮ��ˮ�|��о�,��\�Ïͺϴ�ֱ��˹��̎��h�|��ˮ,��Ŀǰ�P��˹��ص��о��چ�һ��͵�ȥ��Ч��о��^��M�в�ͬ��˹��̎��Ч��ı��^,��

��ڲ�ͬ��͵��˹��ؽY��\�з�ʽ��ͬ,��̎�팦��̎��Ч��,��õ��c�ͽ�(j��ng)��ָ�˶��в,��ڌ��H��Õr��Y�ϲ�ͬ��˹��ؼ��Ì��M��x�񣬵�ϵ�y(t��ng)�،�3�N��˹��،��I�B(y��ng)��ˮ�w̎��Ч��ı��^�о��rҊ��,��,��̫��F(xi��n)��M��ᘌ��I�B(y��ng)��ˮ�w��3�N��˹��̎��ԇ��^�о��̽��ͬ��͑��ڸ��I�B(y��ng)��ˮ�w̎��Ч��֮�g�Ĳ,��

1ԇ��b��c��

1.1ԇ��b��

�Oʩλ�ڟo�a�Ж|��|�Ⱥ��߅,��ֱ��͝��Ԫ��30Hl2(�L×��×�20m×1.5m×0.8m)��3��|,��Ӽs25cm��25��35mm�Ĵ�[ʯ,��ЌӼs25cm��16��25mm��̖�[ʯ��ό��s30cm��5��10mm��С�[ʯ,��Ԫ��(n��i)��Nֲ��(Typhalatifolia).��ɱ��Ԫ��30Hl2(�L×��×�20m×1.5in×0.4in),��|��ֲ��,��Ԫ��䁷�ˮ��ֹ?ji��)B©.ֲ�ﶼ��10��/Hl2��ܶȶ�ֲ�ڝ�؆�Ԫ��,��ֱ��ͱ��3��Ԫ��ֲ��ƽ��L�߶ȷքe��223.4cm,��224.6cm��221.1cm,��

1.2�Mˮ��r��

�Mˮ��ˮ��ˮ��ؓ�ɞ�0.8Hl3/(Hl2·d),��ԇ�r�g��2004—08—03��2006—01—15.��Ⱦ��Mˮ��ȷքe�飺TN4.1��7.0mg/L,��NһN0.9��3.8mg/L��i��}ָ��(sh��)5.0��10.3mg/L��TP0.09��0.19mg/L,��Chl—a40.3��128.9/zg/L,��\��g��ﶬ�Mˮ��ƽ��ˮ�طքe��14.7�桢27.2��,��18.3��3.7��,��MˮpHֵ��7.33��7.74��Z+�ܶ��ڲɼ��˹��̎��Ԫ�M��ˮˮ�ӎ��،��,��Skalar�B�m(x��)��ӷ��x(��m)�y��TN,��TP��NH4+һN,��īI[18]��y��i��}ָ��(sh��)��Chl—a�ĺ��,��

2�Y��c��

2.13�N�˹��،�NrI��һNȥ��Ч��^

�D1�鴹ֱ��,��ͱ��3�N�˹��صİ��M��ˮ��׃��څ�ݱ��^,��ĈD1��֪��Mˮ��Ȳ��ӱ��^��,��@��ļ�,��ƽ��2.3mg/L��3�N�˹��س�ˮ��c�Mˮ��Ȼ��ϱ��P�Pϵ.�ڳ�ˮ��ȷ�(w��n)��Է��洹ֱ��׃��С,��鷀(w��n)��,��֮��׃��,��˹��ذ��ĳ�ˮ��Ƚӽ��Mˮ��,��

�D2��3�N�˹��ذ��ȥ��Ч��^��ĈD2��֪,��3�N�˹��،��ƽ��ȥ��ʾ��^��,��քe��33.2%��27.4%��14.1%,��д�ֱ��˹��̎��Ч��,��֮��,��ȥ��Ҫ��ͨ�^��΢��Ľ��,��ڱ��|��϶�ȵͣ�ˮ�ڻ��|��,��,��Ҟ�΢��L�ṩ�d�w�Ļ��|�H��Ӳ��֡��ֱ��͝��Ļ��|��϶��^�ߵĵ[ʯ,��H��(y��u)��|��Ҟ�΢��ṩ�˴��Ē�Ĥ��g��˴�ֱ��͝��̎��Ч��@��(y��u)�ڱ��,��д�ֱ��ď��,��ȥ��Ч��á�

2��23�N�˹��،�TNȥ��Ч��^

……

3�YՓ

(1)��ֱ��,��ͱ��3�N�˹��،��ƽ��ȥ��ʷքe��33.2%,��27��4%��14.1%��ƽ��ȥ��ʷքe��52.3%,��50.1%��19.2%,��׵�ƽ��ȥ��ʷքe��58.8%��57.9%��26.3%,��i��}ָ��(sh��)��ƽ��ȥ��ʷքe��37��2%,��38��3%��14.8%��~�G��a��ƽ��ȥ��ʷքe��86.9%,��96.1%��55.3%,��

(2)��w��ֱ��˹��،��Ϳ��׵�ȥ��Ч��,��˹��،��i��}ָ��(sh��)��~�G��a��ȥ��Ч��,��ֱ��͝��˹��֮�g�Ĳ�^С��˹��،��Ⱦ��ȥ��Ч��h��ǰ��,��

(3)�ĳ�ˮˮ�|��(w��n)��ԁ��,��ֱ��˹��صİ��,��׺͸��i��}ָ��(sh��)��ˮ��(w��n)��,��֮����~�G��a��ȥ��˹��صĳ�ˮ�(w��n)��,��ֱ��֮,��

(4)�Y��ȥ��Ч��ͳ�ˮˮ�|��(w��n)��Կ��],��ĸ��I�B(y��ng)��ˮ�w,��x��ֱ��͝��˹��^��m��

����D�d��ǳ��ڂ��f��Ϣ֮Ŀ��,��Ё�Դ��ע�e�`��ַ��ĺϷ��,��Ո��߳֙��C��c��W(w��ng)(li��n)ϵ��҂��r��,��h��,��x�x��