133
Macrobenthic invertebrate survey of Waneta and Lamoka Lakes, Schuyler County, New York, September, 1996.
Matthew Albright Willard N. Harman
INTRODUCTION
Schuyler County encompasses 331 square miles of the Appalachian Plateau in the Finger Lakes region (Curatolo, 1991). The county's economy is largely tourism-based, relying heavily upon its aquatic natural resources. The eutrophication of some of these water bodies, including Waneta and Lamoka Lakes (Figure 1), has had detrimental impacts on traditional lakes uses. Macrophyte growth and algal blooms have negatively impacted swimming. fishing, boating, and the perceived aesthetic qualities of theses areas. These changes are believed to have lead to a decline in both tourism activities and in lakeside property values.
In order to address these concerns, Schuyler County initiated an aquatic vegetation control program in 1986 (Curatolo. 1991). This program was to serve as an integrated approach to manage the county's aquatic resources through monitoring, research, macrophyte harvesting, upland treatment. and public education.
In 1990. a comprehensive study was undertaken in order to provide baseline iniormation upon which lake management plans would be based (Curato10. 1991). This work included a characterization of the physical qualities of local lakes. surveys oftheir macro invertebrate benthic populations. a description of macrophyte harvesting activities, a determination of the feasibility of conducting dredging operations in selected areas. and addressed means of reducing nutrient inputs to these lakes.
This document describes the tirst of a two part benthic survey of Waneta and Lamoka Lakes. conducted 16 September. 1996. A second sampling is planned for May, 1997 in order to ensure that various life stages of organisms are represented. This database. when compared to previous work (i. e. Curatolo. 1991) and future works, will indicate the impacts of macroph}te management on the benthic faunal communities. The background material for this report is derived almost exclusively from Curatolo. 1991.
BACKGROUND
Waneta Lake (Figure 2) covers 781 acres in surface area. of which over 90% is located in Schuyler County. The lake occupies a volume of approximately 10.860 acre-feet and has about 6.8 miles of shoreline. This eutrophic lake has a maximum depth of <30 feet. Approximately 450 year-round and seasonal dwellings and a Boy Scout camp line the shore. The substrate varies
134
LAMOKA LAKE
Figure I. The location of Waneta, Lamoka, and Seneca Lakes in Schuyler County, New York (modified from Curatolo, 1991).
135
1000 fl
N
BoAT LAUNCH SITES
UNLOADING SITES
EXTENT OF VEGETATION
SAMPLING STATION
PUBLIC ACCESS
Point
Scout Camp
• ~ ._.- ....
EB o
•4
.. ::-.---'6' .,',. --- .-.-......... .,,:1 5 "~
i , \I .~ I ;I~ !/~ I I~ i ~ i~1 ~ !~, rT\ \c.,) Q.7
!~I ! allJ~ .\. , .\ . '~, .'1\", ...... . '.).
'/
I i I ',3
I, ,I.\ 1""\I "
Figure 2. Waneta Lake, Schuyler County, New York, showing sampling stations (modified from Curatolo, 1991).
136
from silty to organic clay. Eurasian milfoil (Myriophyllum <spicatum) dominated most of the shallows, with plant diversity being considerably higher at the southernmost shore. At the time of sampling (16 September), all substrates were oxygenated.
Lamoka Lake (Figure 3) is interconnected with Mill Pond, located in western Schuyler County at 1099 feet in elevation. These shallow «47 ft) eutrophic lakes together occupy 826 acres in surface area, 16.410 acre-feet in volume, and have approximately 11.3 miles of shoreline. In 1990, about 325 seasonal and year-round houses occupied the shoreline. Recreational activities include swimming, fishing, and boating (Curatolo, 1991). Substrates were dominated by anaerobic organic muds; a notable exception was observed at a drop-off at the northeastern shore, where compact sand was encountered. Here, evidence ofUnionid clams (i.e. shells) were seen. The predominating macrophytes ~ncountered were the nonindigenous Eurasian milfoil (Myriophyllum <spicatum) and curly leafed pondweed (Potamoge/on crispus). Toward the southern, shallower end of the lake diversity was considerably higher, with Nuphar. Ceratophyllum demersum, He/eran/hera. and Vallisineria being well represented. Interestingly, at the time of sampling milfoil was absent from the Mill Pond area. Similar flora were encountered along the channel connecting Waneta and Lamoka Lakes.
Access is provided to both lakes by boat launch sites maintained by the New York State Department of Conservation (NYSDEC). Neither lake is used as a potable water supply. Both lakes have been rated as moderately impaired on the NYSDEC 1989 Priority Problem List (NYSDEC, 1989).
Despite inclement weather encountered throughout the day of sampling (45°-50° F, steady rain), bird activity was considerable. Large numbers of tree swallows (lridoprocne hieolor) were active on Waneta Lake, presumably feeding on emerging aquatic insects. Two ospreys (Pandion haliae/us) and parasitic jaeger (S/ercorarius parasi/icllS) were seen over Lamoka Lake; the latter seabird is extremely rare in this region and was likely displaced by recent tropical storms (Butts, 1996).
MONITORING AND WATER QUALITY
Temperature, dissolved oxygen, pH. and conductivity were measured using a Hydrolab Scout II multiparameter water quality monitoring instrument which had been calibrated the day of data collection following manufacturer's operating manual (Hydro lab Corp., 1993). Readings were taken at I meter (m) intervals from the surface to the bottom. The maximum depth encountered at Waneta Lake was 8.1 meters (26.6 feet); that for Lamoka Lake was 12.2 meters (40.0 feet). Waneta was undergoing fall overturn, although slight. presumably temporary stratification was observed below 8 m. Here, temperature was approxin1ately 0.3 ° C less than the rest of the water column and dissolved oxygen was over 2 mg/lless than overlaying waters. Conductivity was between 198-202 mmho/cm throughout. Temperature, dissolved oxygen. and pH profiles are graphically presented in Figure 4a.
137
/000 ft t
!A-........-COVE
CREEK
POND
FLEET
•
o•~ -. _.- EXTENT OF VEGETATION
ffi SAMPLING STATION
N
BOAT LAUNCH SITES
PUBLIC ACCESS
UNLOADING SITES
Figure 3. Lamoka Lake, Schuyler County, New York, showing sampling stations (modified from Curatolo, 1991).
A
1
2
3
4
5 -.,
a '-' 6 oS 0. II)
Cl 7
8
9
10
1'\
12
138
B 2 4 6 8 10 12 14 16 18 20 2 4 6 8 10 12 14 16 18 20 l -----1._.J __ L-..--L_J._ I _L~....L_l_..L-l __ .l.----.l.-_.l
_I~L~
1
I2I
l
3 I l
I i I4 l
I
5 I
-.,
a '-' 6 oS 0. II)
-Cl 7
8
9
10
11 I I
I
1 j I
I ,
_..J 12 - - - --- ".- -----.
- Temperature -pH
_ Dissolved Oxygen
Figure 4. Profiles of temperature, pH, and dissolved oxygen for Waneta (A) and Lamoka (B) Lakes, 17 September, 1986.
139
Lamoka Lake was stratified at the time of sampling, with the thermocline located between 6 and 7 m. Hypolimnetic waters were essentially anoxic «0.3 mg/l), a situation similar to that reported by Curatolo (1991) for corresponding dates in 1988, 1989 and 1990. Conductivity was approximately 190 mmho/cm through the epi1imnion and increased below the thermocline to 213 mmho/cm at the bottom. Temperature, dissolved oxygen, and pH profiles are graphically presented in Figure 4b.
Water transparency was measured using a standard 20 cm Secchi disk. Transparency was 1.9 m (6.2 ft) in Lamoka and 2.0 m (6.6 ft) in Waneta. Values reported by Curatolo (1991) indicate that Lamoka was somewhat more transparent and Waneta twice as transparent in 1996 compared to similar dates in recent years.
BENTHIC INVERTEBRATE ANALYSIS METHODS
Macroinvertebrates were collected from nine sites on Waneta Lake and nine sites on Lamoka Lake. These sites included eulittoral, littoral benthic, littoral vegetative, and profundal areas. The objective was to obtain taxa diversity and density data for comparison with previous (e.g. Curatolo, 1991) and future surveys in order to ascertain any effects of macrophyte and algae control programs, as well as other changes in water quality, on these organisms.
Benthic samples were collected in triplicate using either a 23X23 cm2 or a 15X15 cm2
Ekman dredge. Larger dredges, using a conventional cable and messenger, were used in deeper locations; in shallower areas, smaller dredges were employed using extension handles. Eulittoral samples, where the substrate tended to be stony, were acquired by manually gathering all material within a 23X23 cm2 quadrangle. Vegetative samples were collected by sweeping the macrophytes with a triangle net five times and rinsing the contents from the net. Effort was made to include the entire depth distribution of the macrophyte bed. Each sample was collected in quadruplicate. While it is recognized that these vegetative samples cannot be interpreted as truly quantitative. the attempt was made to standardize the method as much as possible so that future comparisons may be made.
Upon retrieval, multiple samples were composited and passed through a #30 mesh brass screen. thus retaining all particles over 583 microns. This material was transferred to one-gallon plastic jars, to which 95% ethanol was added until a final concentration of approximately 70% ethanol was reached. Several milliliters of rose bengal were added to each sample to later aid in the recognition of benthic organisms.
Upon return to the laboratory. organisms were separated from the substrate by transferring each sample. spoonful at a time, into a white enamel pan and rinsing with adequate water to distribute the material. All benthic organisms were plucked and transferred to 6 dram vials containing 70% ethanol. Taxonomic identifications were made according to Pennak (1989), Peckarsky et al. (1990), and Merritt and Cummins (1996).
140
Organisms were enumerated and weighed by taxa. Wet weight was taken by removing the organisms from their vials and setting on blotting paper for 15 minutes prior to weighing to the nearest 0.1 mg on an electronic balance (Wheat, 1993). No attempt was made to count Oligochaetes, as they tended to fragment during processing. For benthic sites, where sample size was more standardized, data were converted to units per mete~
RESULTS AND DISCUSSION
A description of each sample site, including sample type, sampling method, substrate characterization, and dominant macrophytes, is summarized in Table 1 (refer to Figure 1 for site locations). This survey revealed a total of 58 taxa; 44 and 45 taxa were encountered in Waneta Lake and Lamoka Lakes, respectively (Table 2). Generally, diversity was greater in Lamoka, where the number of taxa per site averaged 15.0, compared to 12.2 taxa per site found in Waneta. The southernmost reaches of Lamoka Lake (sites L6-L9) exhibited the greatest diversity. Here, 32 taxa were discovered, with each site averaging 22.0. This area is relatively shallow and macrophytes were likewise diverse. OveralL the Order Trichoptera (caddis flies) showed the greatest diversity, with 7 genera representing 3 families being encountered.
Tables 3-20 describe the macrobenthic invertebrates for each site visited, including numbers and wet weights of each taxa found in Waneta and Lamoka Lakes. For benthic sites, abundance and biomass have been projected to units/mete~. A more intensive interpretation of these data will follow a second sampling to occur in May, 1997. This later survey will complement the present data in that larval aquatic stages not present in the fall will be included.
REFERENCES
Butts, W.L. 1996. Personal communication. Biological Field Station, Cooperstown, NY.
Curatolo, J. 1991. Final Report. The aquatic vegetation control program in Schuyler County, 1990. 66 p. Schuller County Soil and Water Conservation District, Montour Falls, NY.
Hydrolab Corporation. 1993. Scout II operating manual. Hydrolab Corp. Austin, TX.
Merritt, R.W., and K.W Cummins (eds.). 1996. Aquatic insects of North America. Kendall/Hunt Publishing Company. Dubuque, IA.
New York State Dept. Of Envir. Cons., 1989. New York State water quality, 1989. Bureau of Monitoring and Assessment. Division of Water. NYSDEC. Albany, NY.
Peckarsky, B.L., P.R. Fraissinet, M.A. Penton, and OJ. Conklin, Jr. 1990. Freshwater macroinvertebrates of Northeastern North America. Cornell University Press. Ithaca, NY.
Pennak, R.W. 1989. Freshwater invertebrates of the United States, 3rd Ed. John Wiley and Sons, Inc. New York.
141
Site Sample Type Dominant Vegetation Substrate Characterization Waneta WI Sub., 3 small dredges W2 Sub., 3 small dredges W3 Veg. 4X5 sweeps W4 Sub., 3 large dredges W5 Veg. 4X5 sweeps W6 Sub., 3 small dredges W7 Sub., 1 quadrangle W8 Veg. 4X5 sweeps W9 Veg. 4X5 sweeps
Lamoka L1 Sub., 3 large dredges L2 Sub., 3 small dredges L3 Veg. 4X5 sweeps L4 Veg. 4X5 sweeps L5 Sub., 3 small dredges L6 Veg. 4X5 sweeps L7 Veg. 4X5 sweeps L8 Veg. 4X5 sweeps L9 Veg. 4X5 sweeps
Myriophyllum spicatum M spicatum M spicatum none organic clay M spicatum none Ceratophyllum demersum Nuphar variegatum, Valisanaria americana
none none M spicatum M spicatum M spicatum Ai spicatum N variegatm M spicatum Heteranthera dubia, C. demersum, V americana
organic clay organic clay organic clay fine silty clay organic clay organic detritus stones (eulittoral) organic clay organic mud
organic mud (anoxic) compact sand organic mud peaty organic mud organic mud organic mud organic mud organic mud organic mud
Table 1. Description of macrobenthic invertebrate sampling sites, Waneta and Lamoka Lakes, 16 September 1996. Sub.= substrate sample, Veg.= vegetative sample, small dredge= .0232 m2,
large dredge= .0523 m2, quadrangIe= .0523 m2•
142
All Sites, 9/16/96 TAXA Waneta Lamoka Platyhelminthes
Turbellaria Tricladida
Planariidae Nemotoda Annelida
Oligochaeta Haplotaxida
Naididae Tubificidae
Lumbriculida Lumbriculidae
Hirudinea Pharyngobdellida
Erpobdellidae Erpobdella Dina parva
Rhynchobdellida Glossiphoniidae
HeJobdeJJa He/obdella fusca HeJobdeJJa stagnalis Batracobdella PlacobdeJJa
Piscicolidae A4yzobdeJJalugubris
Mollusca Bivalvia
Paleoheterodonta Unionidae
• Lampsilis radiata • E/Jiptio complanatl/s
Veneroida Sphaeriidae
Sphaerium Pisidium
Gastropoda Basommatrophora
Lymnaeidae Lymnaea coJumeJJa
• • •
• • • •
• •
• •
• •
• • • • •
•
• •
• ... ...
...
Table 2. Summary of macrobenthic invertebrates collected from Waneta and Lamoka Lakes, 16 September, 1996.
143
Lamoka Planorbldae
TAXA Waneta
*Gyraulus parvus * *Gyraulus hirsutus * *
Physidae Promentus exaeuous
Physa integra * *
Mesogastropoda Valvatidae
Physa sayii *
* Hydrobiidae
Valvata triearinata *
* Arthropoda
Arachnida Acariformes
Hydrodromidae
Amnieo/a limosa *
* Limnesiidae
Hydrodroma * *
Pionidae * Arrenuridae
* Crustacea
Isopoda Asellidae
Arrenurus
* Amphipoda
Gammaridae
*Caeeidotea
* * Talitridae
Gammarus
* * Insecta
Ephemeroptera Baetidae
Hyalella azteea
* Caenidae
Paraeloeodes *
* Odonata (Anisoptera)
Libellulidae
Caenis *
Erythemis * * Corduliidae
*Epitheea
Table 2 (cont.). Summary of macrobenthic invertebrates collected from Waneta and Lamoka Lakes, 16 September, 1996.
144
TAXA /Waneta Lamoka Odonata (Zygoptera)
Coenagrionidae Coenagrion or Enallagma * *
Lestidae Lestes *
Hemiptera Pleidae
Paraplea * Mesoveliidae
Mesovelia * * Lepidoptera
Nepticulidae * Pyralidae
Acentria * * Trichoptera
Leptoceridae Oecetis * Ylodes *
Leptocerus * * Hydroptilidae
Ortha trichia * * Oxythira * * Hydoptilla *
Polycentropodidae Cemotina *
Coleoptera Curculionidae * * Dytisicidae * Chrysomelidae
Pyrrha/ta * Diptera
Ceratopogonidae I Sphaeromias * * Probezzia * * Dasyhelea * Bezzia or Palpomyia * *
Chaoboridae Chaoborus * *
Chironomidae * *
Table 2 (cont.). Summary of macrobenthic invertebrates collected from Waneta and Lamoka Lakes, 16 September, 1996.
145
Waneta Lake, Site 1 (benthic) 9/16/96 TAXA #/sample g/sample #/m"2 g/m"2 Platynelmlntnes
Turbellaria Tricladida
Planariidae Annelida
Oligochaeta Haplotaxida
Tubificidae Lumbriculida
Lumbriculidae Hirudinea
Rhynchobdellida Glossiphoniidae
He/obdella stagnalis Batracobdella Placobdella
Mollusca Gastropoda
Mesogastropoda Hydrobiidae
Amnico/a limosa Arthropoda
Crustacea Isopoda
Asellidae Caecidotea
Amphipoda Gammaridae
Gammarus Talitridae
Hyalella azteca Insecta
Diptera Ceratopogonidae
Sphaeromias Chaoboridae
Chaoborus Chironomidae
2 0.0009 29 0.0129
NA 0.0004 NA 0.0057
NA 0.0231 NA 0.3319
4 0.0094 57 0.1351 1 0.0004 14 0.0057 1 0.0004 14 0.0057
2 0.0091 29 0.1307
1 0.0002 14 0.0029
1 0.0021 14 0.0302
25 0.0083 359 0.1193
1 0.0008 14 0.0115
1 0.0004 14 0.0057 6 0.0034 86 0.0489
Table 3. Summary of macrobenthic invertebrates collected from Waneta Lake, Site #1, 9/16/96 (see Figure 2 for site locations).
146
Waneta Lake, Site 2 (benthic) 9/16/96 TAXA #/sample g/sample #/m"2 g/m"2
IPlatyhelminthes Turbellaria
Tricladida Planariidae 3 0.0006 43 0.0086
Nematoda 2 0.0002 29 0.0029 Annelida
Oligochaeta Lumbriculida
Lumbriculidae NA 0.0063 NA 0.0905 Mollusca
Gastropoda Mesogastropoda
Hydrobiidae Amnicola limosa 3 0.0193 43 0.2773
Arthropoda Crustacea
Amphipoda Talitridae
Hyalel/a azteca 40 0.0054 575 0.0776 Insecta
Trichoptera Hydroptilidae
Orthotrichia 1 0.0002 14 0.0029 Diptera
Ceratopogonidae Sphaeromias 9 0.0206 129 0.2960
Chaoboridae Chaoborus 1 0.0003 14 0.0043
Chironomidae 7 0.0468 101 0.6724
Table 4. Summary of macrobenthic invertehrates collected from Waneta Lake, Site #2, 9/16/96 (see Figure 2 for site locations).
147
Waneta Lake, Site 3 (vegetative) 9/16/96 TAXA #/sample g/sample PlatyhelminThes
Turbellaria Tricladida
Planariidae 17 0.0045 Annelida
Oligochaeta Haplotaxida
Naididae NA 0.0024 Mollusca
Gastropoda Basommatrophora
Planorbidae Gyraulus parvus 4 0.0051
Mesogastropoda Valvatidae
Valvata tn'carinata 3 0.0035 Hydrobiidae
Amnicola limosa 128 0.8070 Arthropoda
Arachnida Acariformes
Hydrodromidae Hydrodroma 2 0.0003
Crustacea Amphipoda
Talitridae Hyalella azteca 8 0.0039
Insecta Ephemeroptera
Caenidae Caenis 1 0.0003
Diptera Chironomidae 307 0.1462
Table 5. Summary of macrobenthic invertebrates collected from Waneta Lake, Site #3,9/16/96 (see Figure 2 for site locations).
148
Waneta Lake, Site 4 (benthic) 9/16/96 TAXA #/sample g/sample #/m"2 g/m"2 Annelida
Oligochaeta Lumbriculida
Lumbriculidae Arthropoda
Insecta Diptera
Chaoboridae Chaoborus
Chironomidae
NA 0.0536 NA 0.34162
442 0.3812 2817 2.42957 38 0.8414 242 5.36265
Table 6. Summary of macrobenthic invertebrates collected from Waneta Lake, Site #4, 9/16/96 (see Figure 2 for site locations).
149
Waneta Lake, Site 5 (vegetative) 9/16/96 TAXA #/sample g/sample Platynelmlnthes
Turbellaria Tricladida
Planariidae 38 0.0102 Annelida
Oligochaeta Haplotaxida
Naididae NA 0.0009 Mollusca
Gastropoda Basommatrophora
Planorbidae Gyraulus paNus 6 0.0071
Physidae Physa 2 0.0021
Mesogastropoda Hydrobiidae
Amnicola limosa 47 0.7885 Arthropoda
Crustacea Amphipoda
Talitridae Hya/e/la azteca 39 0.0269
Insecta Ephemeroptera
Baetidae Paracloeodes 4 0.0051
Caenidae Caenis 22 0.0047
Odonata (Zygoptera) Coenagrionidae
Coenagrion or Ena//agma 18 0.0609 Lepidoptera
Nepticulidae 4 0.0024 Trichoptera
Hydroptilidae Orthotrichia 1 0.0002 Oxythira 6 0.0009 Hydoptilla 2 0.0003
Coleoptera Curculionidae 3 0.0039
Table 7. Summary of macrobenthic invertebrates collected from Waneta Lake, Site #5, 9/16/96 (see Figure 2 for site locations).
150
TAXA #/sample g/sample Diptera
Ceratopogonidae Bezzia or Palpomyia 2 0.0001
Chaoboridae Chaoborus 1 0.0002
Chironomidae 85 0.0587
Table 7 (cont.). Summary of macrobenthic invertebrates collected from Waneta Lake, Site #5, 9/16/96 (see Figure 2 for site locations).
151
Waneta Lake, Site 6 (benthic) 9/16/96 TAXA #/sample g/sample #/m"2 g/m"2 IPlatyhelminthes
Turbellaria Tricladida
Planariidae 3 0.0016 43 0.0230 Annelida
Oligochaeta Haplotaxida
Naididae NA 0.0002 NA 0.0029 Tubificidae NA 0.0084 NA 0.1207
Lumbriculida Lumbriculidae NA 0.0029 NA 0.0417
Hirudinea Rhynchobdellida
Glossiphoniidae Helobdella stagnalis 4 0.0176 57 0.2529
Mollusca Gastropoda
Basommatrophora Planorbidae
Gyraulus parvus 3 0.0033 43 0.0474 Mesogastropoda
Hydrobiidae Amnicola limosa 32 0.3842 460 5.5201
Arthropoda Arachnida
Acariformes Hydrodromidae
Hydrodroma 'I 0.0001 14 0.0014 Limnesiidae 1 0.0001 14 0.0014
Crustacea Amphipoda
Talitridae Hyalella azteca 106 0.0325 1523 0.4670
Insecta Ephemeroptera
Caenidae Caenis 21 0.0046 302 0.0661
Odonata (Zygoptera) Coenagrionidae
Coenagrion or Enallagma 7 0.0084 101 0.1207
Table 8. Summary ofmacrobenthic invertebrates collected from Waneta Lake, Site #6, 9/16/96 (see Figure 2 for site locations).
152
TAXA #/sample g/sample #/mI\2 g/ml\2 Lepidoptera
Nepticulidae Coleoptera
Dytisicidae Diptera
Ceratopogonidae Probezzia Bezzia or Palpomyia
Chaoboridae ChaobonJs
3 0.0026 43 0.0374
1 0.0031 14 0.0445
1 0.0002 14 0.0029 4 0.0003 57 0.0043
1 0.0002 14 0.0029 Chironomidae 62 0.0310 891 0.4454
Table 8 (cont.). Summary of macro benthic invertebrates collected from Waneta Lake, Site #6, 9/16/96 (see Figure 2 for site locations).
153
Waneta Lake, Site 7 (benthic) 9/16/96 TAXA #/sample g/sample #/m"2 g/m"2
IPlatyhelminthes Turbellaria
Tricladida Planariidae 2 0.0008 38 0.0153
Annelida Oligochaeta
Haplotaxida Naididae NA 0.0002 NA 0.0038 Tubificidae NA 0.0080 NA 0.1530
Lumbriculida Lumbriculidae NA 0.0004 NA 0.0076
Hirudinea Pharyngobdellida
Erpobdellidae Erpobdella 16 0.3397 306 6.4952
Arthropoda Crustacea
Amphipoda Gammaridae
Gammarus 12 0.0080 229 0.1530 Insecta
Diptera Chironomidae 10 0.0004 191 0.0076
Table 9. Summary of macrobenthic invertebrates collected from Waneta Lake, Site #7, 9/16/96 (see Figure 2 for site locations).
154
Waneta Lake, Site 8 (vegetative) 9/16/96 TAXA g/sample Platyh-elmlnthes
Turbellaria Tricladida
Planariidae
#/sample
0.0081 Annelida
Oligochaeta Haplotaxida
Naididae
21
0.0024 Hirudinea
Pharyngobdellida Erpobdellidae
NA
0.0102 Rhynchobdellida
Piscicolidae
1Dina paNa
A4yzobdeNalugubris 1 0.0055 Mollusca
Gastropoda Basommatrophora
Planorbidae Gyraulus paNUS 10 0.0095
Physidae Physa integra 4 0.0206
Mesogastropoda Valvatidae
Valvata tricarinata 6 0.0202 Hydrobiidae
Amnicola limosa 73 0.4679 Arthropoda
Arachnida Acariformes
Pionidae 1 0.0001 Crustacea
Amphipoda Talitridae
HyaleNa azteca 163 0.0694 Insecta
Ephemeroptera Caenidae
Caenis 15 0.0018
Table 10. Summary of macrobenthic invertebrates collected from Waneta Lake, Site #8, 9/16/96
(see Figure 2 for site locations).
155
TAXA #/sample g/sample Odonata (Zygoptera)
Coenagrionidae Coenagrion or Enal/agma 7 0.0158
Lepidoptera Nepticulidae 1 0.0010
Diptera Ceratopogonidae
Bezzia Chironomidae
or Palpomyia 9 86
0.0006 0.0364
Table 10 (cont.). Summary of macrobenthic invertebrates collected from Waneta Lake, Site #8, 9/16/96 (see Figure 2 for site locations).
156
Waneta Lake, Site 9 (vegetative) 9/16/96 TAXA #/sample g/sample
rPlatynelmrnthes Turbellaria
Tricladida Planariidae 1 0.0004
Mollusca Bivalvia
Veneroida Sphaeriidae
Sphaerium 1 0.0014 Gastropoda
Basommatrophora Lymnaeidae
Lymnaea columella 1 0.0109 Planorbidae
Gyraulus hirsutus 2 0.0072 Physidae
Physa sayii 3 0.0126 Mesogastropoda
Hydrobiidae Amnicola limosa 14 0.0967
Arthropoda Crustacea
Isopoda Asellidae
Caecidotea 1 0.0015 Amphipoda
Talitridae Hya/ella azteca 99 0.0589
Insecta Ephemeroptera
Caenidae Caenis 3 0.0007
Odonata (Anisoptera) LibelluJidae
Erythemis 2 0.0259 Odonata (Zygoptera)
Coenagrionidae Coenagrion or Enallagma 18 0.0637
Table 11. Summary of macrobenthic inv~rtebrates collected from Waneta Lake, Site #9, 9/16/96 (see Figure 2 for site locations).
157
g/sample Hemiptera
Mesoveliidae
#/sampleTAXA
0.0043 Lepidoptera
Nepticulidae
6Mesovelia
0.0004 Pyralidae
1
0.0034 Trichoptera
Leptoceridae
Acentria 3
0.0003 Coleoptera
Curculionidae
2Leptocerus
0.0010 Chrysomelidae
1
0.0508 Diptera
Ceratopogonidae Bezzia or Palpomyia
9Pyrrhalta
2 0.0003 Chironomidae 0.016854
Table 11 (cont.). Summary of macrobenthic invertebrates collected from Waneta Lake, Site #9,
9/16/96 (see Figure 2 for site locations).
158
Lamoka Lake, Site 1 (benthic) 9/16/96 TAXA #/sample g/sample #/m!l2 g/m!l2 Annelida
Oligochaeta Haplotaxida
Tubificidae Lumbriculida
Lumbriculidae Arthropoda
Insecta Diptera
Chaobol idae Chaoborus
Chironomidae
NA 0.0043 NA 0.02741
NA 0.0074 NA 0.04716
198 0.1771 1262 1.12874 26 0.4282 166 2.72913
Table 12. Summary of macrobenthic invertebrates collected from Lamoka Lake, Site # 1, 9/16/96 (see Figure 3 for site locations).
159
Lamoka Lake, Site 2 (benthic) 9/16/96 g/ml\2#/mA2
IAnnelida Oligochaeta
Haplotaxida Naididae
g/sample#/sampleTAXA
0.0043 Tubificidae
NANA 0.0003 0.0158
Lumbriculida Lumbriculidae
NANA 0.0011
0.0690 Hirudinea
Rhynchobdellida Glossiphoniidae
NA0.0048NA
0.0287 Mollusca
Bivalvia Paleoheterodonta
Unionidae
141 0.0020He/obdella stagnalis
(shells only) * Lampsilis radiata (shells only)
Veneroida Sphaeriidae
* Elliptio comp/anatus
0.0259 Gastropoda
Mesogastropoda Hydrobiidae
14Sphaerium 1 0.0018
2.1782 Arthropoda
Crustacea Amphipoda
Talitridae
273Amnico/a /imosa 19 0.1516
Hya/ella azteca 0.0302 Insecta
Ephemeroptera Caenidae
0.0021 15811
Caenis 0.0086 Diptera
Ceratopogonidae
0.0006 292
Probezzia 1 0.0014 Chironomidae
0.0001 14 38 0.16520.0115 546
Table 13. Summary of macrobenthic invertebrates collected from Lamoka Lake, Site #2, 9116/96 (see Figure 3 for site locations).
160
Lamoka Lake, Site 3 (vegetative) 9/16/96 TAXA g/sample IPlatyhelminthes
Turbellaria Tricladida
Planariidae
#/sample
0.0010 Annelida
Oligochaeta Haplotaxida
Naididae
3
0.0002 Hirudinea
Rhynchobdedida
NA
Glossiphoniidae Helobdella stagnalis 3 0.0125
Mollusca Bivalvia
Veneroida Sphaeriidae
Sphaerium 1 0.0029 Gastropoda
Basommatrophora Planorbidae
Gyraulus parvus 5 0.0047 Promentus exacuous 2 0.0009
Physidae Physa sayii 3 0. 0150
Mesogastropoda Valvatidae
Valvata tricarinata 23 0.0231 Hydrobiidae
Amnicola limosa 174 0.4601 Arthropoda
Crustacea Isopoda
Asellidae Caecidotea 7 0.0058
Amphipoda Gammaridae
Gammarus 3 0.0206 Talitridae
Hyalella azteca 85 0.0452
1
Table 14. Summary of macrobenthic invertebrates collected from Lamoka Lake, Site #3, 9/16/96 (see Figure 3 for site locations).
161
TAXA #/sample g/sample Insecta
Odonata (Anisoptera) Corduliidae
Epitheca Odonata (Zygoptera)
Coenagrionidae Coenagrion or Enal/agma
Trichoptera Leptoceridae
Leptocerus Diptera
Ceratopogonidae Bezzia or Palpomyia
Chironomidae
3 0.2118
11 0.0126
10 0.0023
1 0.0002 23 0.008'1
Table 14 (conL). Summary of macrobenthic invertebrates collected from Lamoka Lake, Site #3, 9/16/96 (see Figure 3 for site locations).
162
Lamoka Lake. Site 4 (vegetative) 9/16/96 TAXA #/sample g/sample IPlatyhelminthes
Turbellaria Tricladida
Planariidae 1 0.0002 Annelida
Oligochaeta Haplotaxida
Naididae NA 0.0003 Hirudinea
RhynchobdelHda Glossiphoniidae
Helobdel/a stagnalis 1 0.0011 Mollusca
Gastropoda Basommatrophora
Planorbidae Gyraulus parvus 15 0.0160
Physidae Physa sayii 6 0.0145
Mesogastropoda Valvatidae
Valvata tricarinata 1 0.0016 Hydrobiidae
Amnicola limosa 467 1.6991 Arthropoda
Crustacea Amphipoda
Talitridae Hyalel/a azteca 3 0.0011
Insecta Ephemeroptera
Caenidae Caenis 1 0.0002
Odonata (Zygoptera) Coenagrionidae
Coenagrion or Ena/lagma 7 0.0523 Diptera
Chironomidae 49 0.0151
Table 15. Summary of macrobenthic invertebrates collected from Lamoka Lake, Site #4, 9/16/96 (see Figure 3 for site locations).
163
Lamoka Lake, Site 5 (benthic) 9/16/96 TAXA #/sample g/sample #/m/l2 g/m/l2 IAnnellda
Oligochaeta Lumbriculida
Lumbriculidae NA 0.0096 NA 0.13793 Arthropoda
Crustacea Amphipoda
Talitridae Hyalella azteca 3 0.0005 43 0.0072
Insecta Diptera
Ceratopogonidae Sphaeromias 3 0.0079 43 0.1135
Chaoboridae Chaoborus 2 0.0012 29 0.0172
Chironomidae 6 0.0090 86 0.1293
Table 16. Summary of macrobenthic invertebrates collected from Lamoka Lake, Site #5, 9/16/96 (see Figure 3 for site locations).
164
Lamoka Lake, Site 6 (vegetative) 9/16/96 TAXA #/sample g/sample IPlatynelmlnthes
Turbellaria Tricladida
Planariidae 2 0.0003 Annelida
Oligochaeta Haplotaxida
Naididae NA 0.0002 Hirudinea
Rhynchobdeilida Glossiphoniidae
Helobdella fusca 1 0.0039 Mollusca
Bivalvia Veneroida
Sphaeriidae Sphaerium 4 0.0057 Pisidium 1 0.0021
Gastropoda Basommatrophora
Planorbidae Gyraulus parvus 5 0.0016 Gyraulus hirsutus 3 0.0091 Promentus exacuous 2 0.0005
Physidae Physa sayii 7 0.0129
Mesogastropoda Hydrobiidae
Amnicola limosa 336 1.1594 Arthropoda
Arachnida Crustacea
Isopoda Asellidae
Caecidotea 1 0.0004 Amphipoda
Talitridae Hyalella azteca 153 0.0665
Table 17. Summary of macrobenthic invertebrates collected from Lamoka Lake, Site #6, 9/16/96 (see Figure 3 for site locations).
165
TAXA #/sample g/sample Insecta
Ephemeroptera Baetidae
Paracloeodes Caenidae
Caenis Odonata (Anisoptera)
Corduliidae Epitheca
Odonata (Zygoptera) Coenagrionidae
Coenagrion or Enallagma Trichoptera
Leptoceridae Oecetis Leptocerus
Hydroptilidae Oxythira
Diptera Ceratopogonidae
Bezzia or Palpomyia Chironomidae
1 0.0003
7 0.0008
7 0.0855
5 0.0067
1 0.0001 15 0.0013
1 0.0003
3 0.0002 114 0.0635
Table 17 (cont.). Summary of macrobenthic invertebrates collected from Lamoka Lake, Site #6, 9/16/96 (see Figure 3 for site locations).
166
Lamoka Lake, Site 7 (vegetative) 9/16/96 TAXA Platyhelminthes
Turbellaria Tricladida
Planariidae Hirudinea
Rhynchobdellida Glossiphoniidae
He/obdeJla stagnalis BatraeobdeJla
Mollusca Bivalvia
Veneroida Sphaeriidae
Sphaerium Gastropoda
Basommatrophora Planorbidae
Gyrau/us hirsutus Mesogastropoda
Hydrobiidae Amnieo/a /imosa
Arthropoda Arachnida
Acariformes Hydrodromidae
Hydrodroma Crustacea
Isopoda Asellidae
Caeeidotea Amphipoda
Talitridae Hya/e//a azteea
Insecta Ephemeroptera
Baetidae Parae/oeodes
Caenidae Caenis
#/sample g/sample
1 0.0001
5 0.0201 3 0.0082
3 0.0032
1 0.0053
20 0.0907
1 0.0001
1 0.0007
143 0.0674
1 0.0001
3 0.0004
Table 18. Summary of macrobenthic invertebrates collected from Lamoka Lake, Site #7,9/16/96 (see Figure 3 for site locations).
167
TAXA #/sample g/sample Odonata (Anisoptera)
Libellulidae Erythemis
Corduliidae Epitheca
Odonata (Zygoptera) Coenagrionidae
Coenagrion or Ena//agma Hemiptera
Pleidae Parap/ea
Mesoveliidae Mesove/ia
Trichoptera Leptoceridae
Y/odes Leptocerus
Polycentropodidae Cemotina
Diptera Ceratopogonidae
Dasyhe/ea Bezzia or Pa/pomyia
Chironomidae
1 0.0172
1 0.0485
41 0.1229
1 0.0013
3 0.0037
5 0.0006 25 0.0044
8 0.0145
1 0.0001 28 0.0021 66 0.0212
Table 18 (cont.). Summary of macrobenthic invertebrates collected from Lamoka Lake, Site #7, 9/l6/96 (see Figure 3 for site locations).
168
Lamoka Lake, Site 8 (vegetative) 9/16/96 TAXA g/sample
IPlatyhelminthes Turbellaria
Tricladida Planariidae
#/sample
0.0011 Annelida
Oligochaeta Haplotaxida
9
Naididae NA 0.0002 Mollusca
Bivalvia Veneroida
Sphaeriidae Pisidium 2 0.0015
Gastropoda Basommatrophora
Physidae Physa sayii 2 0.0169
Hydrobiidae Amnico/a limosa 173 0.4403
Arthropoda Arachnida
Acariformes Arrenuridae
Arrenurus 1 0.0004 Crustacea
Amphipoda Talitridae
Hyalel/a azteea 336 0.0723 Insecta
Ephemeroptera Baetidae
Parae/oeodes 1 0.0005 Caenidae
Caenis 21 0.0025 Odonata (Anisoptera)
Corduliidae Epitheea 3 0.0265
Odonata (Zygoptera) Coenagrionidae
Coenagrion or Enallagma 21 0.0435
Table 19. Summary of macrobenthic invertebrates collected from Lamoka Lake, Site #8, 9/16/96 (see Figure J for site locations).
169
TAXA #/sample g/sample Lepidoptera
Nepticulidae 0.00011 Pyralidae
Acentria 1 0.0001 Trichoptera
Leptoceridae Oecetis 3 0.0004 Leptocerus 31 0.0056
Hydroptilidae Orthotrichia 2 0.0003 Oxythira 1 0.0002
Polycentropodidae Cernotina 1 0.0015
Diptera Ceratopogonidae
Dasyhe/ea 4 0.0003 Bezzia or Palpomyia 11 0.0004
Chaoboridae Chaoborus 1 0.0005
Chironomidae 92 0.0214
Table 19 (cont.). Summary of macrobenthic invertebrates collected from Lamoka Lake, Site #8, 9/16/96 (see Figure 3 for site locations).
170
Lamoka Lake,Site 9 (veQetative) 9/16/96 TAXA g/sample PlatYhelminthes
Turbellaria Tricladida
Planariidae
#/sample
0.0093 Annelida
Oligochaeta Haplotaxida
Naididae
18
0.0003 Hirudinea
NA
Rhynchobdellida Glossiphoniidae
Helobdella 2 0.0039 Batracobdella 1 0.0046
Mollusca Bivalvia
Veneroida Sphaeriidae
Sphaerium 1 0.0018 Gastropoda
Basommatrophora Planorbidae
Gyraulus parvus 3 0.0075 Physidae
Physa sayii 7 0.0142 Mesogastropoda
Hydrobiidae Amnicola limosa 116 0.3011
Arthropoda Crustacea
Amphipoda Talitridae
Hyalella azteca 258 0.0958 Insecta
Ephemeroptera Caenidae
Caenis 136 0.0611 Odonata (Anisoptera)
Corduliidae Epitheca 6 0.1667
Table 20. Summary of macrobenthic invertebrates collected from Lamoka Lake, Site #9, 9/16/96 (see figure 3 for site locations).
171
TAXA #/sample g/sample Odonata (Zygoptera)
Coenagrionidae Coenagrion or Enallagma 28 0.0998
Lestidae Lestes 1 0.0203
Lepidoptera Nepticulidae 1 0.0002
Trichoptera Leptoceridae
Oeeetis 2 0.0003 Ylades 3 0.0007 Leptacerus 369 0.1362
Polycentropodidae Cematina 4 0.0072
Coleoptera Curculionidae 1 0.0007
Diptera Ceratopogonidae
Dasyhelea 7 0.0012 Bezzia or Palpomyia 9 0.0005
Chaoboridae Chaoborus 1 0.0003
Chironomidae 275 0.1368
Table 20 (cont.). Summary of macrobenthic invertebrates collected from Lamoka Lake, Site #9, 9/16/96 (see Figure 3 for site locations).
Top Related