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University of Arkansas, Fayetteville

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Articles 391 - 420 of 473

Full-Text Articles in Terrestrial and Aquatic Ecology

Cave Fauna Of Arkansas: Selected Invertebrate Taxa, V. Rick Mcdaniel, Kenneth L. Smith Jan 1976

Cave Fauna Of Arkansas: Selected Invertebrate Taxa, V. Rick Mcdaniel, Kenneth L. Smith

Journal of the Arkansas Academy of Science

This report is the first in a series of reports describing the fauna of Arkansas caves. Included are notes accumulated during the past four years on nematomorphs, amphipods, isopods, diplopods, decapods, and a variety of insect taxa. In addition to indicated records of distribution, the ecological status of each species (as a cavernicole) is described as troglobitic, troglophilic, trogloxenic, or accidental. Several of the included species are reported for the first time from Arkansas.

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Preliminary Dove Banding Studies In Clark County, Arkansas, Thurman Booth, Peggy Rae Dorris, William N. Hunter, Benny Mays Jan 1975

Preliminary Dove Banding Studies In Clark County, Arkansas, Thurman Booth, Peggy Rae Dorris, William N. Hunter, Benny Mays

Journal of the Arkansas Academy of Science

In conjunction with the U.S. Department of Interior Fish and Wildlife Service, Henderson State University Biology Department made a preliminary study of mourning doves in Clark County, Arkansas, during June, July and August 1974. Three hundred seventy-one mourning doves were baited, trapped and banded to obtain information concerning age, sex, populations, retraps, deformities, effects on other animals, migrations and other behaviors.

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Preliminary Checklist Of The Fishes Of The Illinois River, Arkansas, Michael R. Geihsler, Edgar D. Short, Paul D. Kittle Jan 1975

Preliminary Checklist Of The Fishes Of The Illinois River, Arkansas, Michael R. Geihsler, Edgar D. Short, Paul D. Kittle

Journal of the Arkansas Academy of Science

A survey of the fishes of the mainstream of the Illinois River in northwestern Arkansas produced 51 species representing 11 families. Four of these species, Ictiobus bubalus, smallmouth buffalo; Moxostoma carinatum, river redhorse; Lepomis gulosus, warmouth; and Percina phoxocephala, slenderhead darter, have not been recorded previously from the Arkansas part of the Illinois. Eleven additional species have been reported previously that were not collected during this survey, for a total of 62 species known in the Illinois River.

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Age And Growth Of Bluegill, Lepomis Macrochirus Rafinesque, From Lake Fort Smith, Arkansas, Jacob J. Hogue, Raj V. Kilambi Jan 1975

Age And Growth Of Bluegill, Lepomis Macrochirus Rafinesque, From Lake Fort Smith, Arkansas, Jacob J. Hogue, Raj V. Kilambi

Journal of the Arkansas Academy of Science

A total of 337 bluegill from Lake Fort Smith were used for this study. Annuli were formed between late February and early June, the younger fish forming annuli earlier than older fish. Total length-scale radius and length-weight relationships were determined. Growth of bluegill was compared with that reported in other studies. Growth curves were analyzed by the Von Bertalanffy growth formula and the parameters were evaluated in terms of physical and biological factors.

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Arkansas Butterflies And Skippers, Leo J. Paulissen Jan 1975

Arkansas Butterflies And Skippers, Leo J. Paulissen

Journal of the Arkansas Academy of Science

Since 1955 the writer has been compiling information on Arkansas butterflies and skippers. A list of species is presented from data obtained from personal collecting, extensive contacts with contemporary collectors, and a concerted literature search. A total of 151 species are listed on a chart which also shows from which of five designated areas in the state each species has been reported.

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Parasites Of Selected Gamed Fishes Of Lake Fort Smith, Arkansas, David A. Becker, Donald G. Cloutman Jan 1975

Parasites Of Selected Gamed Fishes Of Lake Fort Smith, Arkansas, David A. Becker, Donald G. Cloutman

Journal of the Arkansas Academy of Science

Surveys during 1961 and 1970 of the helminth parasites of selected game fishes of Lake Fort Smith, Arkansas, are compared. New host records are established in the State of Arkansas for the monogenetic trematode and crustacean parasites of the channel catfish, warmouth, bluegill, white crappie and black crappie.

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Aquatic Macroinvertebrate Fauna Of An Ozark And A Deltaic Stream, Mary R. Cather, George L. Harp Jan 1975

Aquatic Macroinvertebrate Fauna Of An Ozark And A Deltaic Stream, Mary R. Cather, George L. Harp

Journal of the Arkansas Academy of Science

An Ozark and a deltaic stream in northeastern Arkansas were studied to compare physicochemical and aquatic macroinvertebrate parameters and to determine whether the number and kind of organisms increase downstream. Janes Creek, the Ozark-type stream, is clear, spring-fed and alkaline with a steep gradient and high flow velocity; dissolved oxygen values are not limiting. Big Creek, the deltaic stream, is turbid, low in alkalinity and has a slight gradient and low stream velocity. These streams comprise distinct habitats created by differences in substrate, watershed and land use. A total of 122 taxa were collected in both streams, 62 of which …

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New Distributional Records Of Fishes From The Lower Ouachita River System In Arkansas, Henry W. Robison Jan 1975

New Distributional Records Of Fishes From The Lower Ouachita River System In Arkansas, Henry W. Robison

Journal of the Arkansas Academy of Science

Fishes collected from the lower Ouachita River system in Arkansas during 1971-1974 are reported. As a result of these collections six species were added to the Ouachita River system ichthyofauna of Arkansas including an undescribed species of Notropis, Hybopsis aestivalis (Girard), Ictiobus bubalus (Rafinesque), Fundulus chrysotus (Gunther), Lepomis symmetricus (Forbes) and Etheostoma fusiforme barratti (Holbrook). New distributional records for Ichthyomyzon gagei (Hubbs and Trautman), Notropis maculatus (Hay), N. lutrensis (Baird and Girard), Erimyzon sucetta (Lacepede), Fundulus notti (Agassiz) and Lepomis marginatus (Holbrook) within the system also are presented.

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Some New Or Otherwise Noteworthy Plants Of The Arkansas Flora, Edwin B. Smith, Barney L. Lipscomb Jan 1975

Some New Or Otherwise Noteworthy Plants Of The Arkansas Flora, Edwin B. Smith, Barney L. Lipscomb

Journal of the Arkansas Academy of Science

During the last several years interesting additions have been made to the holdings of the University of Arkansas Herbarium at Fayetteville. A list of 24 species of vascular plants, new or rare in Arkansas, is presented. Many of these were collected by the second author during research for his Master's degree. Several were collected by Marie P. Locke, Pine Bluff, Arkansas

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Castanea Pumila Var. Ozarkensis (Ashe) Tucker, Comb. Nov, Gary E. Tucker Jan 1975

Castanea Pumila Var. Ozarkensis (Ashe) Tucker, Comb. Nov, Gary E. Tucker

Journal of the Arkansas Academy of Science

Castanea ozarkensis Ashe, the Ozark chinquapin of the vascular plant family Fagaceae, is distributed widely throughout the Interior Highlands of Arkansas and the adjacent states of Missouri and Oklahoma. Examination of material from throughout the range of C. ozarkensis indicates demonstrable morphological intergradation with C. pumila (L.) Miller sensu lato, the chinquapin of wide distribution in much of the eastern United States. It is proposed that C. ozarkensis be reduced to C. pumila var. ozarkensis (Ashe) Tucker, comb. nov.

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Limnetic Zooplankton Dynamics In Beaver Reservoir Including An Inventory Of Copepod Species And An Evaluation Of Vertical Sampling Methods, Eugene H. Schmitz Jan 1974

Limnetic Zooplankton Dynamics In Beaver Reservoir Including An Inventory Of Copepod Species And An Evaluation Of Vertical Sampling Methods, Eugene H. Schmitz

Arkansas Water Resources Center Technical Reports

There can be little doubt that the development of primary food sources (i.e. plankton) is an important factor contributing to fish production. Applegate and Mullan (1968) report that an exceptional sport fish harvest is generally associated with the development of new reservoirs, although the precise reasons for such interrelations are not known. Kramer and Smith (1962) demonstrated the tendency of bass fingerlings to feed on Cladocera in proportion to the latter's abundance, and Hodson (1966) reported the same basic pattern for largemouth and spotted bass fingerlings in Beaver Reservoir. Applegate and Mullan (1969) analyzed the digestive tract contents of larval …

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Effects Of Mosquito Control Chemicals On Aquatic Fauna, J. L. Lancaster Jr., M. V. Meisch Jan 1974

Effects Of Mosquito Control Chemicals On Aquatic Fauna, J. L. Lancaster Jr., M. V. Meisch

Arkansas Water Resources Center Technical Reports

No mosquito abatement districts have ever been organized in Arkansas. Mosquito control efforts have been largely adulticiding operations by either aerial application or ground thermal fogging machines. Practically no chemical applications have been directed at the larval stage in residual water in ditches and depressions from which adult populations arise. Some larviciding with ethyl parathion has been done in ricefields. Although the treatment is very effective in mosquito reduction, voluntary treatment has not been completely successful. Because relatively little insecticide has been used as a larvicide in Arkansas, it was possible to evaluate the effect of recommended larvicides on non-target …

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Limnological, Ichthyological, And Parasitological Investigations On Arkansas Reservoris In Relation To Water Quality, John S. Carter, Carl E. Hoffman, Larry L. Olmsted, Raj V. Kilambi, Donald G. Cloutman, David A. Becker Jan 1974

Limnological, Ichthyological, And Parasitological Investigations On Arkansas Reservoris In Relation To Water Quality, John S. Carter, Carl E. Hoffman, Larry L. Olmsted, Raj V. Kilambi, Donald G. Cloutman, David A. Becker

Arkansas Water Resources Center Technical Reports

Lake Fort Smith, a 525 acre (212 ha) reservoir, was impounded in 1936 as a water supply for the city of Fort Smith. The reservoir is located on Clear Creek (Frog Bayou), a tributary of the Arkansas River, in the Boston Mountains 28 miles (45 km) northeast of the city of Fort Smith in Crawford County, Arkansas. A map and morphometric characteristics of Lake Fort Smith are given in Fig. 1 and Table I (Hoffman, 1951; Nelson, 1952). In 1956 Lake Shepherd Springs, a 750 acre (304 ha) impoundment, was created one mile upstream of Lake Fort Smith (Rorie, 1961). …

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Variation In Ligule Spotting In Coreopsis Basalis, Edwin B. Smith Jan 1974

Variation In Ligule Spotting In Coreopsis Basalis, Edwin B. Smith

Journal of the Arkansas Academy of Science

The ligules of Coreopsis basalis bear an attractive reddish-brown spot at the base. The spot has been used as a taxonomic character of the species. But there is variation within populations at any one time, and within individuals at sequential times, for the size of the spot. A few individuals lack the ligule spot entirely. Variation in average ligule spot size in greenhouse-grown populations of C. basalis and an artificial hybrid is described. Average spot size declines as the blooming season progresses. Some individuals with spotted ligules early in the season bore spotless ligules late in the season. No correlation …

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Ichthyofaunal Diversification And Distribution In Jane's Creek Watershed, Randolph County, Arkansas, Cheryl Lynn Fowler, George L. Harp Jan 1974

Ichthyofaunal Diversification And Distribution In Jane's Creek Watershed, Randolph County, Arkansas, Cheryl Lynn Fowler, George L. Harp

Journal of the Arkansas Academy of Science

The purposes of this study were to determine the qualitative and quantitative distribution of fishes in the Jane's Creek watershed. Jane's Creek is a clear, spring-fed Ozark stream in northeastern Arkansas. A knowledge of the ichthyofauna of this stream prior to a long-range impoundment is of significance to the natural history of Arkansas. Jane's Creek and its tributaries were found to be alkaline, with no measurable turbidity, and to have low levels of carbon dioxide. Dissolved oxygen values ranged from 6.1 to 16.0 ppm. Only slight differences in physicochemical conditions were noted among stations and between pool and riffle areas …

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Threatened Fishes Of Arkansas, Henry W. Robison Jan 1974

Threatened Fishes Of Arkansas, Henry W. Robison

Journal of the Arkansas Academy of Science

Intensive field collecting throughout Arkansas and a survey of literature and museum records revealed 37 fish species and subspecies in Arkansas to be threatened by human activities. Of these 37 threatened forms, seven are considered rare and endangered. One may be extinct. With regard to distribution, 19 threatened forms reside in the White River system and 11 and 10 inhabit the Arkansas and Red River systems, respectively. Nine fishes are considered threatened in the Ouachita River system, four threatened froms are known in the St. Francis drainage, and two are known in the Mississippi River proper.

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Vascular Plant Family Lauraceae In Arkansas, Gary E. Tucker Jan 1974

Vascular Plant Family Lauraceae In Arkansas, Gary E. Tucker

Journal of the Arkansas Academy of Science

The family Lauraceae is represented in Arkansas by a total of four species, members of the genera Lindera. Persea and Sassafras. Keys and distribution maps are provided. Lindera melissaefolium is reported from Arkansas for the first time.

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Ichthyofaunal Survey Of The Current River Within Arkansas, Joe F. Green, John K. Beadles Jan 1974

Ichthyofaunal Survey Of The Current River Within Arkansas, Joe F. Green, John K. Beadles

Journal of the Arkansas Academy of Science

Current River is a clear predominantly spring-fed stream draining the southeastern face of the Ozark escarpment. Beginning at Montauk Springs, Dent County, Missouri, it meanders southward for 180 km to the Arkansas-Missouri state line. The study area containing 14 sampling stations was that part of Current River lying within the boundaries of Arkansas to its confluence with Black River. The collected fishes could be referred to as those common to a wide-ranging faunal group, the Ozark, and the lowland faunal group. Those of the Ozark group were restricted in their range by topography and the river's confluence with Little Black …

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Origin Of Grassy Lake, Robert Terry Huffman Jan 1974

Origin Of Grassy Lake, Robert Terry Huffman

Journal of the Arkansas Academy of Science

Two theories have been proposed to explain the formation of Grassy Lake. One attributes the formation of the swamp to earthquake; the other states that it is one of the many so-called oxbow lakes in the area. A study of aerial photographs showing the absence of fault zones and related sandblows tends to rule out any possibility of an earthquake origin, and in size and shape the swamp in no way resembles an oxbow lake. The aerial photographs reveal instead that the formation of the swamp was due to a natural levee being built up by a river which meandered …

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Preimpoundment Ichthyofaunal Survey Of The Piney Creek Watershed, Izard County, Arkansas, William J. Matthews, George L. Harp Jan 1974

Preimpoundment Ichthyofaunal Survey Of The Piney Creek Watershed, Izard County, Arkansas, William J. Matthews, George L. Harp

Journal of the Arkansas Academy of Science

Piney Creek is a clear medium-size tributary of White River in a region of the Ozarks that is undergoing rapid environmental change. Piney Creek is characterized by a very diverse ichthyofauna, although increased sedimentation due to poor agricultural practices and gravel mining threatens to destroy much natural habitat and eventually may cause extirpation of some species. The wide diversity of 44 species is related to variety of habitat and the proximity of a large reservoir, and not to differences in the physicochemical environments. Fish density ranged from 15,100 to 21 fish/ha, greatest concentrations being in headwater pools. For the three …

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Fishes Of The Strawberry River System Of Northcentral Arkansas, Henry W. Robison, John K. Beadles Jan 1974

Fishes Of The Strawberry River System Of Northcentral Arkansas, Henry W. Robison, John K. Beadles

Journal of the Arkansas Academy of Science

A survey of the fishes of the Strawberry River in northcentral Arkansas was made between August 1967 and November 1973. Field collections, literature records and museum specimens showed the ichthyofauna of the Strawberry River to be made up of 95 species distributed among 17 families. Two erroneous records are deleted. One subspecies, Etheostoma spectabile fragi,, is endemic to the river. Records of Notropis fumeus, Etheostotna nigrum, Etheostoma proeliare and Percina sciera represent extensions of previously known ranges within the state.

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Checklist Of Arkansas Fishes, Thomas M. Buchanan Jan 1973

Checklist Of Arkansas Fishes, Thomas M. Buchanan

Journal of the Arkansas Academy of Science

Arkansas has a large, diverse fish fauna consisting of 193 species known to have been collected from the state's waters. The checklist is an up-to-date listing of both native and introduced species, and is intended to correct some of the longstanding and more recent erroneous Arkansas records.

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Status Of The Mountain Lion In Arkansas, John A. Sealander, Philip S. Gipson Jan 1973

Status Of The Mountain Lion In Arkansas, John A. Sealander, Philip S. Gipson

Journal of the Arkansas Academy of Science

Two authenticated kill records of the mountain lion, Felis concolor, in Arkansas are reported as well as numerous reliable sight records spanning an approximately 30-year period. Distribution of sightings in the state is discussed in relation to an expanding deer population. The cougar probably never was exterminated in Arkansas but it still may be considered endangered.

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Ichthyofaunal Diversification And Distribution In The Ozark Stream In Northcentral Arkansas, William Dale Jackson, George L. Harp Jan 1973

Ichthyofaunal Diversification And Distribution In The Ozark Stream In Northcentral Arkansas, William Dale Jackson, George L. Harp

Journal of the Arkansas Academy of Science

The distribution and diversity of the ichthyofauna of Arkansas are poorly known. This study is part of a continuing effort to elucidate the natural history of Arkansas. Big Creek is a relatively small, clear, cool-water stream in the Ozark Plateau of northcentral Arkansas. Big Creek and its tributaries drain into Lake Norfork, an impoundment on North Fork River. A total of 6,779 fish of 30 species was collected. Dominant pool species included Notropis boops, Fundulus catenatus, F. olivaceus, Labidesthes sicculus, and Campostoma anomalum; dominant riffle species included Etheostoma spectabile, E. caeruleum, Notropis boops, Fundulus catenatus, and Campostoma anomalum. The numerical …

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Limnology Of Four Bauxite Open-Pit Lakes, George L. Harp, Ronald D. Hubbard Jan 1972

Limnology Of Four Bauxite Open-Pit Lakes, George L. Harp, Ronald D. Hubbard

Journal of the Arkansas Academy of Science

The aquatic flora and fauna and 18 physicochemical characteristics of four bauxite open-pit lakes were studied from September 1969 to August 1970. The least acid lake (pH 3.4-4.4) supported 49 different aquatic insects, plankton, and higher aquatic plants. The most acid lake (pH 2.7-3.2) supported only 26 different plants and animals. Bauxite open-pit lakes within the pH range studied appear to be as relatively unproductive as their coal strip-mine lake counterparts, with which they share physicochemical and biological characteristics. Benthic macrofaunal diversity and abundance appear to be related more closely to distribution and abundance of leaf detritus than to hydrogen-ion …

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Chrysomelidae Of Arkansas, E. Phil Rouse, L. N. Medvedev Jan 1972

Chrysomelidae Of Arkansas, E. Phil Rouse, L. N. Medvedev

Journal of the Arkansas Academy of Science

A list of Chrysomelidae of Arkansas is brought up to date by inclusion of species in the reference collection in the University of Arkansas, the collection in the Zoological Institute of Leningrad, and the private collection of L. Medvedev, as well as those reported in the literature. The list consists of 232 species, subspecies, and varieties and the ecological data where known. One new species and one new variety are included.

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Some Physiochemical Parameters And Phytoplankton Standing Crop In Four Northeast Arkansas Commercial Fish Ponds, Haldor Marvin Wilkes, John K. Beadles Jan 1972

Some Physiochemical Parameters And Phytoplankton Standing Crop In Four Northeast Arkansas Commercial Fish Ponds, Haldor Marvin Wilkes, John K. Beadles

Journal of the Arkansas Academy of Science

Physicochemical conditions and chlorophyll a standing crop were studied from July 1970 through June 1971 in four commercial catfish ponds at the Arkansas State University Experiment Farm near Walcott, Greene County, Arkansas. Determinations of dissolved oxygen, free carbon dioxide, total alkalinity, temperature, pH, transparency, and chlorophyll a standing crop were made at two-week intervals except during fish harvesting operations. One diurnal measurement of dissolved oxygen, free carbon dioxide, and temperature was conducted 25-26 June 1971. Increased oxygen concentrations coincided with increased chlorophyll α concentrations. Free carbon dioxide and chlorophyll α values varied inversely throughout the study. Diurnal concentrations of free …

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Failure To Establish Feral Coturnix Quail Populations In Arkansas In The Late 1950'S, Douglas A. James Jan 1972

Failure To Establish Feral Coturnix Quail Populations In Arkansas In The Late 1950'S, Douglas A. James

Journal of the Arkansas Academy of Science

Although Coturnix introductions failed in the late 1950's, it was learned in Arkansas that birds survived longest after autumn releases especially where fallow fields were numerous, that Coturnix favored grasslands whereas the bobwhite preferred shrublands, and that Coturnix occurred singly, pairing only in the breeding season.

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Build-Up Of Ions In Areas Of Lake Dardenelle As Affected By Stream Flow, Tom N. Palko Jan 1972

Build-Up Of Ions In Areas Of Lake Dardenelle As Affected By Stream Flow, Tom N. Palko

Journal of the Arkansas Academy of Science

The poultry industry in the Lake Dardanelle watershed annually introduces large amounts of poultry effluents into the system. This, plus the large concentrations of chloride ions that are introduced into the lake from salt deposits in the upper Arkansas River watershed, has definite effect on the limnological conditions of the lake. The buildup of chloride ions in areas of the lake depends on the amount of flow from streams into these parts of the lake. This stagnation phenomenon is especially noticeable in pocket areas which are generally cut off from the major influence of the river as it flows in …

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Herpetofauna Of Sylamore Ranger District, Ozark National Forest, Arkansas: Preliminary Report, John P. Schuier, James W. Dickson, Michael J. Harvey Jan 1972

Herpetofauna Of Sylamore Ranger District, Ozark National Forest, Arkansas: Preliminary Report, John P. Schuier, James W. Dickson, Michael J. Harvey

Journal of the Arkansas Academy of Science

A survey of the amphibians and reptiles of the Sylamore Ranger District, Ozark National Forest, Arkansas, was conducted from May 1969 through May 1972. The district is composed of 170,000 acres and includes parts of Stone, Baxter, Marion, and Searcy Counties. A total of 533 specimens was collected during the study. An additional 72 specimens in the collections of Memphis State University and Arkansas State University were examined. Forty-nine species were recorded from the study area. These consisted of 8 salamanders, 12 frogs and toads, 4 turtles, 6 lizards, and 19 snakes. Two species collected during the study, Scaphiopus holbrooki …

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