cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.15468/dl.kcdl4y
title: Occurrence Download

description: A dataset containing 360 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Ajania fruticulosa (Ledeb.) Poljakov",
 "HasGeospatialIssue is false",
 "HasCoordinate is true"
 ]
}

 The dataset includes 360 records from 5 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0000608-150523225239109/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.2z2fv5
title: Occurrence Download

description: A dataset containing 1017 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Aesculus ×carnea Hayne"
 ]
}

 The dataset includes 1017 records from 86 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0225563-200613084148143/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.8gh6pu
title: Occurrence Download

description: A dataset containing 63 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Heliconius himera (Hewitson, 1867)"
 ]
}

 The dataset includes 63 records from 12 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0052736-231002084531237/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.7tnqeh
title: Occurrence Download

description: A dataset containing 1878 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Abies lasiocarpa (Hook.) Nutt."
 ]
}

 The dataset includes 1878 records from 89 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0000904-180925134338326/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.pldbwl
title: Occurrence Download

description: A dataset containing 125 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Diclidurus albus Wied-Neuwied, 1820"
 ]
}

 The dataset includes 125 records from 27 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0000608-150528172251762/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.6zt9qe
title: Occurrence Download

description: A dataset containing 1699 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Geometry POLYGON((-95.03708 38.68401,-78.44654 38.68401,-78.44654 47.62411,-95.03708 47.62411,-95.03708 38.68401))",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "TaxonKey is Lontra canadensis (Schreber, 1777)"
 ]
}

 The dataset includes 1699 records from 28 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0177170-230224095556074/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.1m24dl
title: Occurrence Download

description: A dataset containing 88782 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Avena fatua L."
 ]
}

 The dataset includes 88782 records from 556 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0024520-191105090559680/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.sy7tuk
title: Occurrence Download

description: A dataset containing 1508 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Oryza officinalis Wall. ex Watt"
 ]
}

 The dataset includes 1508 records from 24 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0055784-240229165702484/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.2z3fkq
title: Occurrence Download

description: A dataset containing 47 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Geometry POLYGON((-47.38733 -24.71889,-46.88278 -24.39838,-47.12173 -24.13046,-47.61337 -24.39088,-47.38733 -24.71889))",
 "HasGeospatialIssue is false",
 "TaxonKey is Reptilia"
 ]
}

 The dataset includes 47 records from 6 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0309637-200613084148143/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.bsevgv
title: Occurrence Download

description: A dataset containing 9074 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Pagophila eburnea (Phipps, 1774)"
 ]
}

 The dataset includes 9074 records from 82 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0008552-171219132708484/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.bc4ru7
title: Occurrence Download

description: A dataset containing 60 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Ianiropsis tridens Menzies, 1952",
 "HasGeospatialIssue is false",
 "HasCoordinate is true",
 {
 "not" : {
 "BasisOfRecord" : [
 "is Fossil"
 ]
 }
 },
 {
 "or" : [
 {
 "not" : {
 "EstablishmentMeans" : [
 "is MANAGED"
 ]
 }
 },
 {
 "not" : {
 "EstablishmentMeans" : [
 "is not null"
 ]
 }
 }
 ]
 },
 {
 "or" : [
 "OccurrenceStatus is Present",
 {
 "not" : {
 "OccurrenceStatus" : [
 "is not null"
 ]
 }
 }
 ]
 }
 ]
}

 The dataset includes 60 records from 9 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0055820-240229165702484/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.yastwj
title: Occurrence Download

description: A dataset containing 262 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Panthera onca (Linnaeus, 1758)",
 {
 "or" : [
 "Country is Panama",
 "Country is El Salvador",
 "Country is Honduras",
 "Country is Belize",
 "Country is Mexico",
 "Country is Nicaragua",
 "Country is Guatemala",
 "Country is Costa Rica"
 ]
 },
 "HasGeospatialIssue is false",
 "HasCoordinate is true"
 ]
}

 The dataset includes 262 records from 24 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0008553-150615163101818/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.rt7p5a
title: Occurrence Download

description: A dataset containing 23 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Epidendrum envigadoense Hágsater"
 ]
}

 The dataset includes 23 records from 8 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0161015-240321170329656/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.z3eax3
title: Occurrence Download

description: A dataset containing 269265 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Lyrurus tetrix (Linnaeus, 1758)"
 ]
}

 The dataset includes 269265 records from 274 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0315428-200613084148143/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.eerc9y
title: Occurrence Download

description: A dataset containing 300 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Ceriops zippeliana Blume"
 ]
}

 The dataset includes 300 records from 9 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0055355-240229165702484/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.pt7jsg
title: Occurrence Download

description: A dataset containing 20612 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Pinus contorta Douglas ex Loudon"
 ]
}

 The dataset includes 20612 records from 254 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0034269-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.wtvjgh
title: Occurrence Download

description: A dataset containing 2802 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Phoebis sennae (Linnaeus, 1758)"
 ]
}

 The dataset includes 2802 records from 50 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0008553-160118175350007/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.fkec6u
title: Occurrence Download

description: A dataset containing 492 species occurrences available in GBIF matching the query:
{
 "and" : [
 "PublishingCountry is Canada",
 "TaxonKey is one of (Salix alba L.)"
 ]
}

 The dataset includes 492 records from 17 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0011025-240314170635999/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.6zh2yt
title: Occurrence Download

description: A dataset containing 21 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Solorina spongiosa (Ach.) Anzi",
 "MediaType is Image",
 "BasisOfRecord is Human Observation"
 ]
}

 The dataset includes 21 records from 3 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0002165-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.tlhkcl
title: Occurrence Download

description: A dataset containing 34 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Poa sudicola Edgar"
 ]
}

 The dataset includes 34 records from 2 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0008553-170714134226665/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.wllvrv
title: Occurrence Download

description: A dataset containing 12267 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Abies alba Mill.",
 {
 "or" : [
 "BasisOfRecord is Human Observation",
 "BasisOfRecord is Observation",
 "BasisOfRecord is Machine Observation"
 ]
 },
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "Year is greater than or equal to 1970",
 "Year is less than or equal to 2017",
 "DecimalLongitude is greater than or equal to -15",
 "DecimalLongitude is less than or equal to 40",
 "DecimalLatitude is greater than or equal to 30",
 "DecimalLatitude is less than or equal to 75"
 ]
}

 The dataset includes 12267 records from 149 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0008553-171124123535762/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.9hrbwd
title: Occurrence Download

description: A dataset containing 40 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Calophyllum vernicosum P.F.Stevens"
 ]
}

 The dataset includes 40 records from 7 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0074151-240229165702484/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.c3ged6
title: Occurrence Download

description: A dataset containing 417 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Eugenia mansoi O.Berg"
 ]
}

 The dataset includes 417 records from 69 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0161017-240321170329656/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.cakkhy
title: Occurrence Download

description: A dataset containing 0 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Quercus virginiana Mill.",
 "BasisOfRecord is Human Observation",
 "HasCoordinate is True",
 "DecimalLatitude is greater than 37.595686384771945",
 "DecimalLongitude is greater than -122.55392149475273",
 "DecimalLatitude is less than 37.83197310811593",
 "DecimalLongitude is less than -122.34243467834648"
 ]
}

 The dataset includes 0 records from 0 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0293108-200613084148143/datasets/export for details.
DOI: 10.15468/dl.6rrq92
title: Occurrence Download

description: A dataset containing 0 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Syagrus romanzoffiana (Cham.) Glassman",
 "BasisOfRecord is Human Observation",
 "HasCoordinate is True",
 "DecimalLatitude is greater than 37.595686384771945",
 "DecimalLongitude is greater than -122.55392149475273",
 "DecimalLatitude is less than 37.83197310811593",
 "DecimalLongitude is less than -122.34243467834648"
 ]
}

 The dataset includes 0 records from 0 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0293124-200613084148143/datasets/export for details.
DOI: 10.15468/dl.8tb4k5
title: Occurrence Download

description: A dataset containing 3210 species occurrences available in GBIF matching the query:
{
 "and" : [
 {
 "and" : [
 "HasGeospatialIssue is false",
 "HasCoordinate is true",
 "OccurrenceStatus is Present",
 {
 "not" : {
 "BasisOfRecord" : [
 "is one of (Fossil, Living Specimen)"
 ]
 }
 }
 ]
 },
 "TaxonKey is Streptopelia hypopyrrha (Reichenow, 1910)"
 ]
}

 The dataset includes 3210 records from 8 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0051586-240229165702484/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.kspf1b
title: Occurrence Download

description: A dataset containing 378 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Lactarius indigo (Schwein.) Fr."
 ]
}

 The dataset includes 378 records from 18 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0008554-160623103540712/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.zz1xvh
title: Occurrence Download

description: A dataset containing 17 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Poa xenica Edgar & Connor"
 ]
}

 The dataset includes 17 records from 4 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0008554-170714134226665/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.a2mkum
title: Occurrence Download

description: A dataset containing 6843 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Sonchus arvensis L.",
 "MediaType is Image",
 "BasisOfRecord is Human Observation"
 ]
}

 The dataset includes 6843 records from 12 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0002166-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.u7u5kk
title: Occurrence Download

description: A dataset containing 6998 species occurrences available in GBIF matching the query:
{
 "and" : [
 "GadmGid is CHN.11_1",
 "TaxonKey is Aves",
 "Year 2014-2023"
 ]
}

 The dataset includes 6998 records from 11 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0051582-240229165702484/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.7hj5j9
title: Occurrence Download

description: A dataset containing 870 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Erythrostemon pannosus (Brandegee) Gagnon & G.P.Lewis"
 ]
}

 The dataset includes 870 records from 50 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0161016-240321170329656/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.noqrf6
title: Occurrence Download

description: A dataset containing 12267 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Abies alba Mill.",
 {
 "or" : [
 "BasisOfRecord is Human Observation",
 "BasisOfRecord is Observation",
 "BasisOfRecord is Machine Observation"
 ]
 },
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "Year is greater than or equal to 1970",
 "Year is less than or equal to 2017",
 "DecimalLongitude is greater than or equal to -15",
 "DecimalLongitude is less than or equal to 40",
 "DecimalLatitude is greater than or equal to 30",
 "DecimalLatitude is less than or equal to 75"
 ]
}

 The dataset includes 12267 records from 149 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0008554-171124123535762/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.qq36x7
title: Occurrence Download

description: A dataset containing 92 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Salix lasiolepis Benth.",
 "BasisOfRecord is Human Observation",
 "HasCoordinate is True",
 "DecimalLatitude is greater than 37.595686384771945",
 "DecimalLongitude is greater than -122.55392149475273",
 "DecimalLatitude is less than 37.83197310811593",
 "DecimalLongitude is less than -122.34243467834648"
 ]
}

 The dataset includes 92 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0293117-200613084148143/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.mcm5zx
title: Occurrence Download

description: A dataset containing 7 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Begonia nothobaramensis Joffre"
 ]
}

 The dataset includes 7 records from 3 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0055776-240229165702484/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.589h3e
title: Occurrence Download

description: A dataset containing 8 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is China",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "TaxonKey is Herminium chloranthum Tang & F.T.Wang",
 "Year 1981-2019"
 ]
}

 The dataset includes 8 records from 4 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0293116-200613084148143/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.gwrpcn
title: Occurrence Download

description: A dataset containing 1276 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Australia",
 "TaxonKey is Dysoxylum fraserianum (A.Juss.) Benth."
 ]
}

 The dataset includes 1276 records from 9 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0008554-171219132708484/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.3g4m85
title: Occurrence Download

description: A dataset listing the 289 species recorded in GBIF matching the query:
{
 "and" : [
 "GadmGid is CHN.11_1",
 "TaxonKey is Aves",
 "Year 2014-2023"
 ]
}

 The dataset's 289 records were derived from 11 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0051600-240229165702484/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.hhmvyj
title: Occurrence Download

description: A dataset containing 3625 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Catalpa Scop."
 ]
}

 The dataset includes 3625 records from 203 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0008555-150615163101818/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.yun3zs
title: Occurrence Download

description: A dataset containing 47 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Geometry POLYGON((-47.38733 -24.71889,-46.88278 -24.39838,-47.12173 -24.13046,-47.61337 -24.39088,-47.38733 -24.71889))",
 "HasGeospatialIssue is false",
 "TaxonKey is Reptilia"
 ]
}

 The dataset includes 47 records from 6 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0309639-200613084148143/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.unfucv
title: Occurrence Download

description: A dataset containing 144 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Crotalaria amoena Welw. ex Baker"
 ]
}

 The dataset includes 144 records from 19 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0011015-240314170635999/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.b2xx0k
title: Occurrence Download

description: A dataset containing 2722 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Najas flexilis (Willd.) Rostk. & W.L.E.Schmidt"
 ]
}

 The dataset includes 2722 records from 97 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0008555-151016162008034/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.48597/57uw-faks
title: Measurement of Sulphate_total at Stará Lesná

description: Measurement of Sulphate_total at Stará Lesná
DOI: 10.48597/5b3x-tcq6
title: Measurement of Sulphate_corrected at Skriveri

description: Measurement of Sulphate_corrected at Skriveri
DOI: 10.48597/5kne-sr8m
title: Measurement of Sulphate_total at Stará Lesná

description: Measurement of Sulphate_total at Stará Lesná
DOI: 10.48597/5pqm-yxfj
title: Measurement of Potassium at Stará Lesná

description: Measurement of Potassium at Stará Lesná
DOI: 10.48597/6wyx-5fe6
title: Measurement of Chloride at Stará Lesná

description: Measurement of Chloride at Stará Lesná
DOI: 10.48597/766t-sr84
title: Measurement of Sodium at Stará Lesná

description: Measurement of Sodium at Stará Lesná
DOI: 10.48597/7c76-t7xv
title: Measurement of Conductivity at Stará Lesná

description: Measurement of Conductivity at Stará Lesná
DOI: 10.48597/7ecw-exu7
title: Measurement of Chloride at Stará Lesná

description: Measurement of Chloride at Stará Lesná
DOI: 10.48597/7uqf-8rvq
title: Measurement of Ammonium at Stará Lesná

description: Measurement of Ammonium at Stará Lesná
DOI: 10.48597/7zr3-qar3
title: Measurement of pH at Topolniky

description: Measurement of pH at Topolniky