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Vvv ¸¡Óζ¯Îï Ô­Éú¶¯Îï

Ðý»ØÏÀµÁ³æStrobilidium gyrans Ì«Ñô³æÊôActinophrys Ͳ¿Ç³æÊôTintinnidium ÁۿdzæÊôEuglypha ±í¿Ç³æÊôArcella °å¿Ç³æÊôColeps

¼â¶¥É°¿Ç³æDifflugia acuminata ³¤Ô²É°¿Ç³æD. oblonga

ÖлªÄâÁ峿Tintinnopsis sinensis ÖÓ³æÊôVorticella

Â̼±ÓγæStrombidium viride Stein ¼âë³æÊôOxytricha ÂÖ³æ

Ô²ÐαÛβÂÖ³æBrachionus rotundiformis ½ÇÍ»±ÛβÂÖ³æB. angularis ¾ØÐαÛβÂÖ³æB. leydigi ñÞÖå±ÛβÂÖ³æB.plicatilis

ǰ½Ú¾§ÄÒÂÖ³æAsplanchna priodonta ²·ÊϾ§ÄÒÂÖ³æA. brightwelli Õë´Ø¶àÖ«ÂÖ³æPolyarthra trigla ¾ØÐιê¼×ÂÖ³æKeratella quadrafa ÂÝÐιê¼×ÂÖ³æK. cochlearis Ôµ°å¹ê¼×ÂÖ³æK. ticinensis ¹êÐιê¼×ÂÖ³æK. testudo

´ó¶ÇÐë×ãÂÖ³æEuchlanis dilatata ¹µºÛÅÝÂÖ³æPompholyx sulcata ÒìβÂÖ³æÊôTrichocerca Ö¦½ÇÀà

Â㸹œÐÊôMonia

³¤¶îÏó±ÇœÐBosmina longirostris èã×ãÀà

¹ã²¼Öн£Ë®ÔéM.leuckarti ÎÞ½ÚÓ׳æNauplii + + + + + + + + + + ++ ++ + + + ++ +++ + + + + + + + + + + + + + + + + + + + ++ ++ + + + +++ +++ + + + + + + + ++ ++ + +++ +++ ++ ++ + +++ +++ + + + + + +

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Vvv 1#³ØÌÁÂãÔåÃÅ4.2%¹èÔåÃÅ20.1%ÒþÔåÃÅ3.5%¼×ÔåÃÅ2.5%À¶ÔåÃÅ28.3%ÂÌÔåÃÅ41.4%2#³ØÌÁÒþÔåÃÅ 2.1%ÂãÔåÃÅ 1.9%¹èÔåÃÅ22.6%ÂÌÔåÃÅ48.5%À¶ÔåÃÅ24.1%¼×ÔåÃÅ 0.8%

3#³ØÌÁÂãÔåÃÅ6.3%¹èÔåÃÅ12.5%ÒþÔåÃÅ3.1%¼×ÔåÃÅ3.3%

1#³ØÌÁèã×ãÀà 0.4%Ö¦½ÇÀà 2.2%ÂÖ³æ 7.2%ÂÌÔåÃÅ36.9%À¶ÔåÃÅ37.9%Ô­Éú¶¯Îï90.2% 2#³ØÌÁ

3#³ØÌÁèã×ãÀà 1.0%Ö¦½ÇÀà 1.8%ÂÖ³æ 5.5%Ö¦½ÇÀà 1.9%ÂÖ³æ 9.7%Ô­Éú¶¯Îï92.7%Ô­Éú¶¯Îï87.4%

ͼ2.7 ¸÷³ØÌÁ¸¡ÓÎÉúÎïÖÖÀ༰Æä°Ù·ÖÊý

Fig. 2.7 The species of each plankton and their percentages to

the total number in different ponds

2.2.2 ¸¡ÓÎÉúÎïÃܶÈÓëÉúÎïÁ¿±ä»¯

ÊÔÑéÆÚ¼ä¸÷ÌÁ¸¡ÓÎÖ²ÎïÃܶȺÍÉúÎïÁ¿±ä»¯±ä»¯Èçͼ2.8Ëùʾ¡£ÔÚÊÔÑéǰʮÌ죬¸÷ÌÁ¸¡ÓÎÖ²ÎïÃܶȱ仯²»´ó£¬ÔÚ25¡Á106 ind./L×óÓÒ²¨¶¯£¬7ÔÂÖÐÑ®ÖÁ8ÔÂÖÐÑ®¼ä2#³ØÌÁ¸¡ÓÎÖ²ÎïÃܶÈÔö³¤½Ï1#³ØÌÁ¿ì£¬Ö®ºóÓÖÖð½¥½µµÍ¡£Õû¸öÊÔÑéÆÚ¼ä£¬1#ºÍ2#³ØÌÁ¸¡ÓÎÖ²ÎïÃܶȲ¨¶¯·¶Î§Îª£º22.3¡Á106¡«34.7¡Á106 ind./LºÍ24.4¡Á106¡«36.6¡Á106 ind./L£¬¾ùÖµ·Ö±ðΪ28.1¡Á106 ind./L ºÍ30.5¡Á106 ind./L£»3#³ØÌÁ¸¡ÓÎÖ²ÎïÔÚÊÔÑéÆÚ¼äµÄ±ä»¯·ù¶È´óÓÚ1#ºÍ2#³ØÌÁ£¬ÆäÃܶÈÔÚ22.8¡Á106¡«49.2¡Á106 ind./LÖ®

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Vvv ¼ä£¬¾ùֵΪ39.9¡Á106 ind./L¡£¾­·ÖÎö¿ÉÖª£¬1#ºÍ2#³ØÌÁ¸¡ÓÎÖ²ÎïÃܶÈÏÔÖøµÍÓÚ3#³ØÌÁ(P<0.05)¡£Ëæ×ųØÌÁ¸¡ÓÎÖ²ÎïÓÅÊÆÖֵı仯£¬¸¡ÓÎÖ²ÎïÉúÎïÁ¿Ò²ËæÖ®·¢Éú½Ï´ó±ä»¯£¬1#ºÍ2#³ØÌÁ³ÊϽµÇ÷ÊÆ£¬ÖÁ8ÔÂÖÐÑ®½µÖÁ×îµÍµã£¬ÊÔÑéÆÚ¼äÆäÉúÎïÁ¿µÄ±ä»¯·¶Î§·Ö±ðΪ52.22¡«69.73 mg/LºÍ49.93¡«72.32 mg/L£¬¾ùÖµ·Ö±ðΪ57.79 mg/LºÍ57.55 mg/L£¬ÏÔÖøµÍÓÚ3#³ØÌÁµÄ76.06 mg/L(P<0.05)¡£

6050ÃܶÈ(*106ind./L)4030201007ÔÂ5ÈÕ7ÔÂ15ÈÕ7ÔÂ25ÈÕ8ÔÂ4ÈÕ8ÔÂ14ÈÕ8ÔÂ24ÈÕ9ÔÂ3ÈÕ9ÔÂ13ÈÕ1#2#3#ÈÕÆÚ

100908070ÉúÎïÁ¿(mg/L)60504030201007ÔÂ5ÈÕ7ÔÂ15ÈÕ7ÔÂ25ÈÕ8ÔÂ4ÈÕ8ÔÂ14ÈÕ8ÔÂ24ÈÕ9ÔÂ3ÈÕ9ÔÂ13ÈÕ1#2#3#ÈÕÆÚ

ͼ2.8ÊÔÑéÆÚ¼ä¸÷ÌÁ¸¡ÓÎÖ²ÎïÃܶȺÍÉúÎïÁ¿±ä»¯

Fig. 2.8 The change of density and biomass of phytoplankton in different ponds

ÊÔÑéÆÚ¼ä¸÷ÌÁ¸¡Óζ¯ÎïÃܶȺÍÉúÎïÁ¿±ä»¯¼ûͼ2.9¡£ÊÔÑéÌÁ1#ºÍ2#¸¡Óζ¯ÎïÊýÁ¿ÔÚÕû¸öʵÑéÆÚ¼ä²¨¶¯·ù¶È½ÏС£¬¶ø¶ÔÕÕÌÁ3#ÔÚ7ÔÂÖÐÑ®´ïµ½·åÖµ£¬7Ôµ×ÓÖ½µÖÁ½ÏµÍˮƽ£¬ÕâÓëÔ­Éú¶¯ÎïµÄÊýÁ¿±ä»¯Óйء£¾­·ÖÎö¿ÉÖª£¬¸¡Óζ¯ÎïÃܶÈ1#ÌÁ(1.20¡À0.05¡Á104 ind./L)ºÍ2#ÌÁ(1.21¡À0.06¡Á104 ind./L)ÏÔÖøµÍÓÚ3#ÌÁ(1.39¡À0.17¡Á104 ind./L)(P<0.05)¡£

ÊÔÑéÆÚ¼ä£¬¸¡Óζ¯ÎïÉúÎïÁ¿1#ÌÁ(1.27¡À0.11 mg/L)ºÍ2#ÌÁ(1.29¡À0.12 mg/L)ÏÔÖø¸ßÓÚ3#ÌÁ(1.05¡À0.20 mg/L) (P<0.05)£¬ÆäËû¸÷ÌÁ¼äÎÞÏÔÖø²îÒì(P>0.05)¡£¸÷ÌÁ¸¡

24

Vvv Óζ¯ÎïÉúÎïÁ¿ÔÚÊÔÑéǰÆÚ±ä»¯²»Ã÷ÏÔ£¬7ÔÂÏÂÑ®ÖÁ8ÔÂÏÂѮʱ¼ä¶ÎÄÚ£¬3#ÌÁÉúÎïÁ¿ÓÐÃ÷ÏÔµÄϽµÇ÷ÊÆ£¬¶ø1#ºÍ2#ÌÁÓÐС·ù¶ÈÉý¸ßºóÒ²³ÊϽµÇ÷ÊÆ£¬µ«·ù¶ÈСÓÚ3#ÌÁ£¬Õâ¶Îʱ¼äÄÚÓÉÓÚ1#ºÍ2#³ØÌÁÂÖ³æÓÅÊÆÖÖΪԲÐαÛβÂÖ³æ(Brachionus rotundiformis)¡¢½ÇÍ»±ÛβÂÖ³æ(B. angularis)¡¢²·ÊϾ§ÄÒÂÖ³æ(A. brightwelli)ºÍÕë´Ø¶àÖ«ÂÖ³æ(Polyarthra trigla)£¬´Ó¶øÉúÎïÁ¿½Ï´ó£¬¶ø²·ÊϾ§ÄÒÂÖ³æ(A. brightwelli)ºÍÕë´Ø¶àÖ«ÂÖ³æ(Polyarthra trigla)´Ó9Ô·ݿªÊ¼³ÉΪ3#ÌÁµÄÓÅÊÆÖÖ£¬ÕâÒ²¿ÉÄÜÊÇÊÔÑéºóÆÚ3#ÌÁ¸¡Óζ¯ÎïÉúÎïÁ¿Éý¸ßµÄÔ­Òò¡£

1.81.61.4ÃܶÈ(*104ind./L)1.210.80.60.40.207ÔÂ5ÈÕ7ÔÂ15ÈÕ7ÔÂ25ÈÕ8ÔÂ4ÈÕ8ÔÂ14ÈÕ8ÔÂ24ÈÕ9ÔÂ3ÈÕ9ÔÂ13ÈÕ1#2#3#ÈÕÆÚ

1.61.41.2ÉúÎïÁ¿(mg/L)10.80.60.40.207ÔÂ5ÈÕ7ÔÂ15ÈÕ7ÔÂ25ÈÕ8ÔÂ4ÈÕ8ÔÂ14ÈÕ8ÔÂ24ÈÕ9ÔÂ3ÈÕ9ÔÂ13ÈÕ1#2#3#ÈÕÆÚ

ͼ2.9 ÊÔÑéÆÚ¼ä¸÷ÌÁ¸¡Óζ¯ÎïÃܶȺÍÉúÎïÁ¿±ä»¯

Fig. 2.9 The variations in zooplankton abundance and biomass

in different ponds during the test

2.2.3 ¸¡ÓÎÉúÎï¶àÑùÐԵı仯

ÊÔÑéÆÚ¼ä¸÷ÌÁË®Ì帡ÓÎÉúÎï¶àÑùÐÔÖ¸Êý¼û±í2.4¡£ÊÔÑéǰÆÚ£¬¸÷ÌÁ¸¡ÓÎÉúÎï¶àÑùÐÔ¼°¾ùÔȶÈÖ¸Êý±ä»¯²»Ã÷ÏÔ£¬ÊÔÑéÖкóÆÚ±ä»¯½Ï´ó¡£Õû¸öÊÔÑéÆÚ¼ä1#ºÍ2#ÌÁ¸¡ÓÎÖ²ÎïShannon-Weaver¶àÑùÐÔÖ¸ÊýHºÍPielou¾ùÔȶÈÖ¸ÊýJ¾ùÏÔÖø¸ßÓÚ3#

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