%PDF-1.6
%
1 0 obj
<>
endobj
2 0 obj
<>stream
Marijke Welvaert, Omar Al-Ghattas, Mark Cameron, Peter Caley
Limits of use of social media for monitoring biosecurity events
www.plosone.org
www.plosone.org
endstream
endobj
3 0 obj
<>/XObject<>>>/CropBox[0 0 612 792]/MediaBox[0 0 612 792]/Parent 11 0 R/Annots 12 0 R/Contents 13 0 R/TrimBox[0 0 612 792]>>
endobj
12 0 obj
[14 0 R 15 0 R 16 0 R 17 0 R 18 0 R 19 0 R]
endobj
14 0 obj
<>/Border[0 0 0]/Dest(Rpone.0172457.ref005)>>
endobj
15 0 obj
<>/Border[0 0 0]/Dest(Rpone.0172457.ref006)>>
endobj
16 0 obj
<>/Border[0 0 0]/Dest(Rpone.0172457.ref007)>>
endobj
17 0 obj
<>/Border[0 0 0]/Dest(Rpone.0172457.ref008)>>
endobj
18 0 obj
<>/Border[0 0 0]/Dest(Rpone.0172457.g001)>>
endobj
19 0 obj
<>/Border[0 0 0]/Dest(Rpone.0172457.ref009)>>
endobj
13 0 obj
[20 0 R 21 0 R 22 0 R 23 0 R 24 0 R 25 0 R 26 0 R 27 0 R 28 0 R]
endobj
20 0 obj
<>stream
q
0.83 0.64 0.02 0 k
479.9055 576.3402 m
484.6677 576.3402 l
h
f*
254.2677 524.2961 m
259.0299 524.2961 l
h
f*
320.5984 342.3118 m
325.3606 342.3118 l
h
f*
203.4142 329.3291 m
208.1764 329.3291 l
h
f*
356.9953 120.926 m
376.5543 120.926 l
h
f*
340.2142 94.9039 m
344.9764 94.9039 l
h
f*
0 g
1 j
1 J
0 w
10 0 0 10 200.0125 707.4141 cm
BT
/F6 1 Tf
1 TL
-0.004 Tc
0 0 Td
(individuals.)Tj
4.8755 0 Td
(The)Tj
1.7802 0 Td
(successes)Tj
3.8834 0 Td
(of)Tj
1.0148 0 Td
(syndromic)Tj
4.5014 0 Td
(surveillance)Tj
4.9492 0 Td
(in)Tj
1.0375 0 Td
(human)Tj
3.0728 0 Td
(health)Tj
2.6815 0 Td
(offer)Tj
2.0976 0 Td
(new)Tj
1.8766 0 Td
(perspectives)Tj
-31.7705 -1.3039 Td
(for)Tj
1.3832 0 Td
(biosecurity)Tj
4.6318 0 Td
(surveillance,)Tj
5.1704 0 Td
(in)Tj
1.0375 0 Td
(which)Tj
2.6475 0 Td
(detecting)Tj
3.8948 0 Td
(exotic)Tj
2.6078 0 Td
(pests)Tj
2.1827 0 Td
(and)Tj
1.7291 0 Td
(pathogens)Tj
4.303 0 Td
(of)Tj
1.0148 0 Td
(concern)Tj
3.4639 0 Td
(to)Tj
1.0261 0 Td
(the)Tj
-35.0926 -1.2982 Td
(environment)Tj
5.4311 0 Td
(and)Tj
1.7291 0 Td
(agriculture)Tj
4.5751 0 Td
(in)Tj
1.0375 0 Td
(particular)Tj
4.1102 0 Td
(are)Tj
1.4457 0 Td
(the)Tj
1.474 0 Td
(focus.)Tj
2.5511 0 Td
(Detections)Tj
4.5071 0 Td
(of)Tj
1.0148 0 Td
(pest)Tj
1.8198 0 Td
(incursions)Tj
4.405 0 Td
(need)Tj
2.143 0 Td
(to)Tj
-36.2435 -1.2983 Td
(be)Tj
1.1508 0 Td
(timely.)Tj
2.9537 0 Td
(For)Tj
1.6271 0 Td
(example,)Tj
3.7757 0 Td
(fast)Tj
1.5987 0 Td
(reproducing)Tj
5.1704 0 Td
(pathogens)Tj
4.3029 0 Td
(\(e.g.)Tj
1.8992 0 Td
(rusts\))Tj
2.4775 0 Td
(that)Tj
1.7802 0 Td
(are)Tj
1.4513 0 Td
(easily)Tj
2.4038 0 Td
(spread)Tj
2.8573 0 Td
(either)Tj
-33.4486 -1.2983 Td
(mechanically)Tj
5.4651 0 Td
(or)Tj
1.0998 0 Td
(naturally)Tj
3.7814 0 Td
(may)Tj
1.9276 0 Td
(need)Tj
2.143 0 Td
(to)Tj
1.0261 0 Td
(be)Tj
1.1509 0 Td
(detected)Tj
3.5659 0 Td
(within)Tj
2.812 0 Td
(days)Tj
2.0012 0 Td
(for)Tj
1.3833 0 Td
(there)Tj
2.2677 0 Td
(to)Tj
1.0205 0 Td
(be)Tj
1.1508 0 Td
(any)Tj
1.6611 0 Td
(chance)Tj
2.9991 0 Td
(of)Tj
-35.4555 -1.3039 Td
(eradication.)Tj
4.9435 0 Td
(Current)Tj
3.4243 0 Td
(methods)Tj
3.685 0 Td
(of)Tj
1.0148 0 Td
(surveillance)Tj
4.9492 0 Td
(typically)Tj
3.5603 0 Td
(rely)Tj
1.7178 0 Td
(on)Tj
1.2756 0 Td
(trapping)Tj
3.6397 0 Td
(and/or)Tj
2.9366 0 Td
(inspections,)Tj
-31.1468 -1.2982 Td
(which)Tj
2.6475 0 Td
(are)Tj
1.4513 0 Td
(resource)Tj
3.6283 0 Td
(intensive)Tj
3.8098 0 Td
(and)Tj
1.7348 0 Td
(hence)Tj
2.5625 0 Td
(limited)Tj
3.0727 0 Td
(in)Tj
1.0318 0 Td
(spatial)Tj
2.778 0 Td
(and)Tj
1.7347 0 Td
(temporal)Tj
3.8381 0 Td
(extent.)Tj
2.9027 0 Td
(It)Tj
0.8561 0 Td
(has)Tj
1.542 0 Td
(been)Tj
2.1203 0 Td
(sug-)Tj
-35.7106 -1.2983 Td
(gested)Tj
2.7155 0 Td
(that)Tj
1.7802 0 Td
(syndromic-type)Tj
6.548 0 Td
(surveillance)Tj
4.9436 0 Td
(techniques)Tj
4.5297 0 Td
(applied)Tj
3.1521 0 Td
(to)Tj
1.0261 0 Td
(social)Tj
2.4605 0 Td
(media)Tj
2.6872 0 Td
(data)Tj
1.9162 0 Td
(streams)Tj
3.2882 0 Td
(could)Tj
-35.0473 -1.3039 Td
(provide)Tj
3.2881 0 Td
(effective)Tj
3.5093 0 Td
(biosecurity)Tj
4.6261 0 Td
(surveillance,)Tj
5.176 0 Td
(though)Tj
3.0728 0 Td
(this)Tj
1.6724 0 Td
(has)Tj
1.542 0 Td
(not)Tj
1.5761 0 Td
(been)Tj
2.1203 0 Td
(tested)Tj
2.5568 0 Td
(thus)Tj
1.9332 0 Td
(far.)Tj
-29.8769 -1.2983 Td
(Biosecurity)Tj
4.7054 0 Td
(surveillance)Tj
4.9436 0 Td
(aims)Tj
2.1033 0 Td
(to)Tj
1.0262 0 Td
(protect)Tj
3.0614 0 Td
(the)Tj
1.4683 0 Td
(natural)Tj
3.0784 0 Td
(environment,)Tj
5.6579 0 Td
(plants)Tj
2.6249 0 Td
(and)Tj
1.7291 0 Td
(animals,)Tj
3.5546 0 Td
(as)Tj
-35.1493 -1.2983 Td
(well)Tj
1.8198 0 Td
(as)Tj
1.0148 0 Td
(agri-)Tj
2.1089 0 Td
(and)Tj
1.7292 0 Td
(horticulture)Tj
5.0116 0 Td
(from)Tj
2.2053 0 Td
(harm)Tj
2.3698 0 Td
(caused)Tj
2.9196 0 Td
(by)Tj
1.1792 0 Td
(pests)Tj
2.1827 0 Td
(and)Tj
1.7291 0 Td
(diseases)Tj
3.3789 0 Td
([)Tj
0.83 0.64 0.02 0 k
(5)Tj
0 g
(].)Tj
1.6044 0 Td
(Compared)Tj
4.4787 0 Td
(to)Tj
1.0262 0 Td
(self-)Tj
-34.7582 -1.3039 Td
(reported)Tj
3.6566 0 Td
(syndromic)Tj
4.5014 0 Td
(human)Tj
3.0784 0 Td
(health)Tj
2.6759 0 Td
(surveillance,)Tj
5.176 0 Td
(detecting)Tj
3.8948 0 Td
(biosecurity)Tj
4.6261 0 Td
(events)Tj
2.7326 0 Td
(from)Tj
2.2053 0 Td
(human)Tj
-32.5471 -1.2982 Td
(communications)Tj
6.9731 0 Td
(faces)Tj
2.1487 0 Td
(some)Tj
2.33 0 Td
(particular)Tj
4.1103 0 Td
(challenges.)Tj
4.5467 0 Td
(For)Tj
1.6271 0 Td
(example,)Tj
3.77 0 Td
(the)Tj
1.474 0 Td
(impacts)Tj
3.3392 0 Td
(and/or)Tj
2.9367 0 Td
(symptoms)Tj
-33.2558 -1.2983 Td
(of)Tj
1.0147 0 Td
(exotic)Tj
2.6022 0 Td
(pests)Tj
2.1827 0 Td
(and)Tj
1.7291 0 Td
(diseases)Tj
3.3789 0 Td
(may)Tj
1.9275 0 Td
(be)Tj
1.1509 0 Td
(unknown)Tj
4.0819 0 Td
(or)Tj
1.0998 0 Td
(hard)Tj
2.0806 0 Td
(to)Tj
1.0262 0 Td
(detect,)Tj
2.8403 0 Td
(resulting)Tj
3.7247 0 Td
(in)Tj
1.0374 0 Td
(varying)Tj
3.2145 0 Td
(levels)Tj
2.3754 0 Td
(of)Tj
-35.4668 -1.3039 Td
(detectability)Tj
5.0853 0 Td
([)Tj
0.83 0.64 0.02 0 k
(6)Tj
0 g
(].)Tj
1.6044 0 Td
(Furthermore,)Tj
5.6125 0 Td
(the)Tj
1.474 0 Td
(direct)Tj
2.5285 0 Td
(physical)Tj
3.4526 0 Td
(impact)Tj
2.9764 0 Td
(of)Tj
1.0148 0 Td
(exotic)Tj
2.6078 0 Td
(pests)Tj
2.1827 0 Td
(on)Tj
1.2756 0 Td
(the)Tj
1.4683 0 Td
(general)Tj
3.1294 0 Td
(public)Tj
-34.4123 -1.2983 Td
(can)Tj
1.627 0 Td
(be)Tj
1.1509 0 Td
(limited)Tj
3.0671 0 Td
(in)Tj
1.0374 0 Td
(comparison)Tj
4.972 0 Td
(with)Tj
2.0012 0 Td
(human)Tj
3.0784 0 Td
(diseases.)Tj
3.6 0 Td
(For)Tj
1.6271 0 Td
(example,)Tj
3.7757 0 Td
(influenza)Tj
3.9175 0 Td
(affects)Tj
2.7325 0 Td
(individuals)Tj
-32.5868 -1.2982 Td
(physically)Tj
4.1498 0 Td
(whereas,)Tj
3.6737 0 Td
(for)Tj
1.3833 0 Td
(example,)Tj
3.7757 0 Td
(the)Tj
1.4684 0 Td
(combined)Tj
4.2463 0 Td
(effects)Tj
2.7269 0 Td
(of)Tj
1.0148 0 Td
(citrus)Tj
2.4661 0 Td
(greening)Tj
3.736 0 Td
(disease)Tj
3.0161 0 Td
(\(Huanglongb-)Tj
-31.6571 -1.2983 Td
(ing\))Tj
1.8425 0 Td
(and)Tj
1.7291 0 Td
(its)Tj
1.1452 0 Td
(vector)Tj
2.6985 0 Td
(the)Tj
1.4684 0 Td
(Asian)Tj
2.5171 0 Td
(citrus)Tj
2.4661 0 Td
(psyllid)Tj
2.8403 0 Td
(\()Tj
/F11 1 Tf
[()-4()4()12()10()6()11()-9()12()6()]TJ
5.0967 0 Td
[( )1()14(\n)7()-9()]TJ
/F6 1 Tf
(\))Tj
2.126 0 Td
(are)Tj
1.4513 0 Td
(neither)Tj
3.0784 0 Td
(immediate)Tj
4.5014 0 Td
(nor)Tj
1.6441 0 Td
(direct)Tj
-34.6051 -1.3039 Td
(on)Tj
1.2755 0 Td
(human)Tj
3.0728 0 Td
(individuals)Tj
/F11 1 Tf
4.6488 0 Td
[()4()2()]TJ
1.4456 0 Td
[()-3()]TJ
/F6 1 Tf
(,)Tj
1.1679 0 Td
(until)Tj
2.1089 0 Td
(it)Tj
0.7824 0 Td
(has)Tj
1.542 0 Td
(spread)Tj
2.8517 0 Td
(significantly)Tj
5.091 0 Td
(and)Tj
1.7291 0 Td
(affected)Tj
3.3222 0 Td
(trees)Tj
2.0976 0 Td
(are)Tj
1.4457 0 Td
(showing)Tj
3.5773 0 Td
(vis-)Tj
-36.1585 -1.2983 Td
(ible)Tj
1.661 0 Td
(symptoms.)Tj
-0.4648 -1.2983 Td
(Therefore,)Tj
4.3936 0 Td
(when)Tj
2.4038 0 Td
(considering)Tj
4.9323 0 Td
(monitoring)Tj
4.8188 0 Td
(for)Tj
1.389 0 Td
(biosecurity)Tj
4.6261 0 Td
(events)Tj
2.7269 0 Td
(using)Tj
2.3924 0 Td
(social)Tj
2.4605 0 Td
(media,)Tj
2.914 0 Td
(there)Tj
-34.2536 -1.3039 Td
(are)Tj
1.4456 0 Td
(several)Tj
2.9367 0 Td
(key)Tj
1.593 0 Td
(questions)Tj
4.0195 0 Td
(to)Tj
1.0262 0 Td
(be)Tj
1.1508 0 Td
(addressed.)Tj
4.4051 0 Td
(First,)Tj
2.2677 0 Td
(would)Tj
2.7155 0 Td
(people)Tj
2.8517 0 Td
(search)Tj
2.7609 0 Td
(for)Tj
1.389 0 Td
(or)Tj
1.0998 0 Td
(post)Tj
1.8992 0 Td
(information)Tj
-31.5607 -1.2982 Td
(about)Tj
2.4944 0 Td
(biosecurity)Tj
4.6261 0 Td
(events?)Tj
3.1011 0 Td
(Second,)Tj
3.3505 0 Td
(how)Tj
1.9389 0 Td
(reliable)Tj
3.1408 0 Td
(is)Tj
0.8447 0 Td
(that)Tj
1.7802 0 Td
(information)Tj
5.074 0 Td
(and)Tj
1.7347 0 Td
(can)Tj
1.6214 0 Td
(we)Tj
1.3323 0 Td
(access)Tj
2.6419 0 Td
(it?)Tj
1.1565 0 Td
(Third,)Tj
-34.8375 -1.2983 Td
(can)Tj
1.627 0 Td
(we)Tj
1.3266 0 Td
(validate)Tj
3.3052 0 Td
(the)Tj
1.4683 0 Td
(social)Tj
2.4605 0 Td
(media)Tj
2.6929 0 Td
(data)Tj
1.9105 0 Td
(with)Tj
1.9956 0 Td
(ground)Tj
3.1691 0 Td
(truthed)Tj
3.1975 0 Td
(data?)Tj
2.2847 0 Td
(In)Tj
1.1055 0 Td
(this)Tj
1.6781 0 Td
(paper,)Tj
2.7099 0 Td
(we)Tj
1.3266 0 Td
(conducted)Tj
4.4277 0 Td
(a)Tj
-36.6857 -1.3039 Td
(validation)Tj
4.2009 0 Td
(study)Tj
2.3924 0 Td
(to)Tj
1.0261 0 Td
(assess)Tj
2.5172 0 Td
(the)Tj
1.474 0 Td
(potential)Tj
3.7587 0 Td
(of)Tj
1.0148 0 Td
(monitoring)Tj
4.8189 0 Td
(biosecurity)Tj
4.6261 0 Td
(events)Tj
2.7326 0 Td
(on)Tj
1.2755 0 Td
(social)Tj
2.4605 0 Td
(media.)Tj
2.914 0 Td
(This)Tj
-35.2117 -1.2983 Td
(validation)Tj
4.2009 0 Td
(study)Tj
2.3924 0 Td
(is)Tj
0.8504 0 Td
(based)Tj
2.4718 0 Td
(on)Tj
1.2756 0 Td
(tracking)Tj
3.5206 0 Td
(two)Tj
1.7121 0 Td
(species)Tj
2.999 0 Td
(that)Tj
1.7745 0 Td
(migrate)Tj
3.2995 0 Td
(each)Tj
2.0296 0 Td
(Spring)Tj
2.863 0 Td
(\(September)Tj
4.8245 0 Td
(to)Tj
-34.2139 -1.2983 Td
(November\))Tj
4.8018 0 Td
(to)Tj
1.0261 0 Td
(Canberra,)Tj
4.1953 0 Td
(Australia.)Tj
4.0705 0 Td
(The)Tj
1.7802 0 Td
(research)Tj
3.5603 0 Td
(question)Tj
3.6566 0 Td
(is)Tj
0.8504 0 Td
(whether)Tj
3.4753 0 Td
(we)Tj
1.3266 0 Td
(can)Tj
1.6271 0 Td
(infer)Tj
2.1203 0 Td
(the)Tj
1.4683 0 Td
(arrival)Tj
2.8006 0 Td
(of)Tj
-36.7594 -1.2982 Td
(these)Tj
2.2506 0 Td
(species)Tj
2.9991 0 Td
(by)Tj
1.1792 0 Td
(monitoring)Tj
4.8245 0 Td
(Twitter)Tj
3.1691 0 Td
(data.)Tj
2.143 0 Td
(The)Tj
1.7802 0 Td
(potential)Tj
3.7587 0 Td
(of)Tj
1.0148 0 Td
(Twitter)Tj
3.1748 0 Td
(for)Tj
1.3889 0 Td
(syndromic-type)Tj
6.5423 0 Td
(surveil-)Tj
-34.2252 -1.3039 Td
(lance)Tj
2.296 0 Td
(has)Tj
1.542 0 Td
(been)Tj
2.1203 0 Td
(demonstrated)Tj
5.76 0 Td
([)Tj
0.83 0.64 0.02 0 k
(7)Tj
0 g
(],)Tj
1.6044 0 Td
(though)Tj
3.0727 0 Td
(cautionary)Tj
4.4844 0 Td
(tales)Tj
1.9843 0 Td
(and)Tj
1.7291 0 Td
(considerable)Tj
5.2611 0 Td
(skepticism)Tj
4.456 0 Td
(remains)Tj
-34.3103 -1.2983 Td
([)Tj
0.83 0.64 0.02 0 k
(8)Tj
0 g
(].)Tj
1.1962 -1.2983 Td
(While)Tj
2.6532 0 Td
(the)Tj
1.4683 0 Td
(two)Tj
1.7121 0 Td
(species)Tj
2.9934 0 Td
(under)Tj
2.6192 0 Td
(consideration)Tj
5.7033 0 Td
(in)Tj
1.0374 0 Td
(this)Tj
1.6725 0 Td
(paper)Tj
2.4831 0 Td
(are)Tj
1.4513 0 Td
(not)Tj
1.5761 0 Td
(considered)Tj
4.5977 0 Td
(as)Tj
1.0148 0 Td
(biosecurity)Tj
-32.1786 -1.3039 Td
(threats,)Tj
3.1577 0 Td
(they)Tj
1.9276 0 Td
(act)Tj
1.3719 0 Td
(as)Tj
1.0148 0 Td
(a)Tj
0.6577 0 Td
(surrogate)Tj
3.9741 0 Td
(model)Tj
2.7439 0 Td
(for)Tj
1.389 0 Td
(real)Tj
1.6951 0 Td
(biosecurity)Tj
4.6261 0 Td
(invasions)Tj
3.9685 0 Td
(for)Tj
1.389 0 Td
(which)Tj
2.6475 0 Td
(no)Tj
1.2756 0 Td
(validation)Tj
-31.8385 -1.2982 Td
(data)Tj
1.9105 0 Td
(are)Tj
1.4456 0 Td
(available.)Tj
3.8948 0 Td
(We)Tj
1.6044 0 Td
(are)Tj
1.4514 0 Td
(particularly)Tj
4.8075 0 Td
(interested)Tj
4.1612 0 Td
(in)Tj
1.0375 0 Td
(whether)Tj
3.4752 0 Td
(we)Tj
1.3267 0 Td
(can)Tj
1.6214 0 Td
(detect)Tj
2.6135 0 Td
(their)Tj
2.1089 0 Td
(arrival)Tj
2.795 0 Td
(in)Tj
1.0375 0 Td
(a)Tj
0.6519 0 Td
(spe-)Tj
-35.943 -1.2983 Td
(cific)Tj
1.8878 0 Td
(region)Tj
2.8006 0 Td
(in)Tj
1.0375 0 Td
(a)Tj
0.652 0 Td
(timely)Tj
2.7325 0 Td
(manner.)Tj
-7.9142 -1.3039 Td
(The)Tj
1.7858 0 Td
(remainder)Tj
4.405 0 Td
(of)Tj
1.0148 0 Td
(this)Tj
1.6724 0 Td
(paper)Tj
2.4888 0 Td
(is)Tj
0.8447 0 Td
(organised)Tj
4.1273 0 Td
(as)Tj
1.0148 0 Td
(follows:)Tj
3.2825 0 Td
(the)Tj
1.4683 0 Td
(Methods)Tj
3.7587 0 Td
(section)Tj
3.0501 0 Td
(provides)Tj
3.651 0 Td
(details)Tj
2.7779 0 Td
(on)Tj
-36.5383 -1.2983 Td
(the)Tj
1.4683 0 Td
(migratory)Tj
4.2066 0 Td
(species)Tj
2.999 0 Td
(included)Tj
3.7134 0 Td
(in)Tj
1.0318 0 Td
(this)Tj
1.6781 0 Td
(study;)Tj
2.6135 0 Td
(the)Tj
1.4683 0 Td
(data)Tj
1.9163 0 Td
(collection)Tj
4.1102 0 Td
(procedures)Tj
4.6714 0 Td
(for)Tj
1.389 0 Td
(the)Tj
1.4683 0 Td
(Twitter)Tj
-32.7342 -1.2983 Td
(data)Tj
1.9105 0 Td
(and)Tj
1.7348 0 Td
(ground)Tj
3.1634 0 Td
(truth)Tj
2.2451 0 Td
(data;)Tj
2.1373 0 Td
(the)Tj
1.474 0 Td
(query)Tj
2.5001 0 Td
(development)Tj
5.4141 0 Td
(steps;)Tj
2.4038 0 Td
(and)Tj
1.7291 0 Td
(the)Tj
1.474 0 Td
(analysis)Tj
3.3222 0 Td
(techniques)Tj
4.5298 0 Td
(used.)Tj
2.2847 0 Td
(In)Tj
-36.3229 -1.3039 Td
(the)Tj
1.4683 0 Td
(Results,)Tj
3.2825 0 Td
(we)Tj
1.3323 0 Td
(describe)Tj
3.5206 0 Td
(the)Tj
1.4683 0 Td
(findings)Tj
3.4979 0 Td
(for)Tj
1.3833 0 Td
(our)Tj
1.6271 0 Td
(three)Tj
2.262 0 Td
(main)Tj
2.2904 0 Td
(research)Tj
3.5546 0 Td
(questions:)Tj
4.2463 0 Td
(\(1\))Tj
1.3776 0 Td
(Are)Tj
1.7008 0 Td
(the)Tj
1.4684 0 Td
(species)Tj
-34.4804 -1.2982 Td
(reported)Tj
3.6566 0 Td
(on)Tj
1.2756 0 Td
(Twitter?;)Tj
3.7701 0 Td
(\(2\))Tj
1.3776 0 Td
(Can)Tj
1.8652 0 Td
(we)Tj
1.3266 0 Td
(extract)Tj
2.9367 0 Td
(the)Tj
1.4683 0 Td
(relevant)Tj
3.4242 0 Td
(tweets)Tj
2.7043 0 Td
(for)Tj
1.3889 0 Td
(these)Tj
2.2507 0 Td
(species?;)Tj
3.5943 0 Td
(and)Tj
1.7291 0 Td
(\(3\))Tj
1.3777 0 Td
(Are)Tj
1.7008 0 Td
(the)Tj
-35.8467 -1.2983 Td
(Twitter)Tj
3.1747 0 Td
(data)Tj
1.9106 0 Td
(related)Tj
2.948 0 Td
(to)Tj
1.0205 0 Td
(ground)Tj
3.1691 0 Td
(truth)Tj
2.245 0 Td
(data?)Tj
2.2847 0 Td
(Finally,)Tj
3.1691 0 Td
(the)Tj
1.4684 0 Td
(Discussion)Tj
4.5807 0 Td
(extrapolates)Tj
5.0003 0 Td
(our)Tj
1.6271 0 Td
(results)Tj
2.8063 0 Td
(to)Tj
-35.4045 -1.2983 Td
(the)Tj
1.4683 0 Td
(broader)Tj
3.3619 0 Td
(implications)Tj
5.176 0 Td
(for)Tj
1.389 0 Td
(biosecurity)Tj
4.6261 0 Td
(surveillance)Tj
4.9492 0 Td
(using)Tj
2.3868 0 Td
(social)Tj
2.4604 0 Td
(media.)Tj
ET
Q
q
1 j
1 J
0 w
11.9999 0 0 11.9999 200.0125 156.9826 cm
BT
/F2 1 Tf
1 TL
-0.0033 Tc
0 0 Td
(Methods)Tj
/F0 1 Tf
0 -1.4976 Td
(Description)Tj
5.159 0 Td
(of)Tj
1.0441 0 Td
(migratory)Tj
4.3418 0 Td
(species)Tj
ET
Q
q
1 j
1 J
0 w
10 0 0 10 211.9748 122.0031 cm
BT
/F12 1 Tf
1 TL
-0.004 Tc
0 0 Td
(Bogong)Tj
3.4185 0 Td
(moth.)Tj
/F6 1 Tf
3.2938 0 Td
(The)Tj
1.7859 0 Td
(Bogong)Tj
3.2881 0 Td
(moth)Tj
2.3755 0 Td
(\()Tj
0.83 0.64 0.02 0 k
(Fig)Tj
1.8198 0 Td
(1)Tj
0 g
(,)Tj
0.9184 0 Td
(left\),)Tj
/F11 1 Tf
2.0409 0 Td
[(\r)37()-8()20()12(\n)7()-4()]TJ
3.0104 0 Td
[()12()11()-8()-4()-3()]TJ
/F6 1 Tf
(,)Tj
2.8516 0 Td
(has)Tj
1.5421 0 Td
(a)Tj
0.6519 0 Td
(historic)Tj
3.2429 0 Td
(tradition)Tj
3.7417 0 Td
(of)Tj
-35.1777 -1.2982 Td
(migrating)Tj
4.1555 0 Td
(to)Tj
1.0261 0 Td
(the)Tj
1.4684 0 Td
(wider)Tj
2.4944 0 Td
(Canberra)Tj
3.9742 0 Td
(region.)Tj
3.0274 0 Td
(They)Tj
2.2337 0 Td
(were)Tj
2.1259 0 Td
(an)Tj
1.2019 0 Td
(important)Tj
4.2803 0 Td
(food)Tj
2.0523 0 Td
(source)Tj
2.8346 0 Td
(for)Tj
1.3833 0 Td
(the)Tj
1.4683 0 Td
(Aborigi-)Tj
-33.7263 -1.3039 Td
(nal)Tj
1.4456 0 Td
(tribes)Tj
2.4491 0 Td
(that)Tj
1.7802 0 Td
(lived)Tj
2.1373 0 Td
(on)Tj
1.2756 0 Td
(these)Tj
2.2563 0 Td
(lands)Tj
2.3358 0 Td
([)Tj
0.83 0.64 0.02 0 k
(9)Tj
0 g
(].)Tj
1.6044 0 Td
(While)Tj
2.6475 0 Td
(the)Tj
1.4683 0 Td
(adult)Tj
2.2564 0 Td
(moth)Tj
2.3697 0 Td
(is)Tj
0.8504 0 Td
(not)Tj
1.5761 0 Td
(a)Tj
0.6519 0 Td
(biosecurity)Tj
4.6262 0 Td
(threat,)Tj
2.8006 0 Td
(its)Tj
1.1452 0 Td
(cat-)Tj
-35.6766 -1.2983 Td
(erpillars,)Tj
3.6793 0 Td
(known)Tj
3.0047 0 Td
(as)Tj
1.0148 0 Td
(cutworms,)Tj
4.439 0 Td
(are)Tj
1.4513 0 Td
(considered)Tj
4.5978 0 Td
(an)Tj
1.2076 0 Td
(agricultural)Tj
4.8302 0 Td
(pest)Tj
1.8198 0 Td
(that)Tj
1.7801 0 Td
(causes)Tj
2.7496 0 Td
(significant)Tj
ET
Q
q
1 j
1 J
0 w
576 737.1 m
36 737.1 l
36 737.6 l
576 737.6 l
f*
36 741.2598 107.1496 23.6976 re
W* n
q
107.0929 0 0 23.6409 36 741.3165 cm
q
/I0 Do
Q
Q
Q
q
0 0 612 792 re
W* n
1 j
1 J
0 w
7.9999 0 0 7.9999 417.8834 745.7952 cm
BT
/F0 1 Tf
1 TL
-0.005 Tc
0 0 Td
(Social)Tj
2.8842 0 Td
(media)Tj
2.8985 0 Td
(for)Tj
1.3677 0 Td
(monitori)Tj
3.4866 0 Td
(ng)Tj
1.3111 0 Td
(biosecurity)Tj
4.911 0 Td
(events)Tj
ET
Q
q
1 j
1 J
0 w
36 48.0002 m
576 48.0002 l
576 47.5002 l
36 47.5002 l
f*
7.9999 0 0 7.9999 36 36 cm
BT
/F0 1 Tf
1 TL
-0.005 Tc
0 0 Td
(PLOS)Tj
2.8559 0 Td
(ONE)Tj
2.3669 0 Td
(|)Tj
0.4748 0 Td
(DOI:10.137)Tj
5.0387 0 Td
(1/journal.po)Tj
5.1236 0 Td
(ne.0172)Tj
3.5434 0 Td
(457)Tj
2.6362 0 Td
(February)Tj
4.1599 0 Td
(23,)Tj
1.5874 0 Td
(2017)Tj
37.3538 0 Td
(2)Tj
0.7654 0 Td
(/)Tj
ET
endstream
endobj
21 0 obj
<>stream
endstream
endobj
22 0 obj
<>stream
endstream
endobj
23 0 obj
<>stream
endstream
endobj
24 0 obj
<>stream
endstream
endobj
25 0 obj
<>stream
endstream
endobj
26 0 obj
<>stream
endstream
endobj
27 0 obj
<>stream
endstream
endobj
28 0 obj
<>stream
BT
66.402 0 Td
(17)Tj
ET
Q
endstream
endobj
29 0 obj
<>/XObject<>>>/CropBox[0 0 612 792]/MediaBox[0 0 612 792]/Parent 11 0 R/Annots 32 0 R/Contents 33 0 R/TrimBox[0 0 612 792]>>
endobj
31 0 obj
<>stream
JFIF C
$, !$4.763.22:ASF:=N>22HbINVX]^]8EfmeZlS[]Y C**Y;2;YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY "
} !1AQa"q2#BR$3br
%&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz
w !1AQaq"2B #3Rbr
$4%&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz ? wuE, we
aV5oCI?砬/"5E:j HT?} -eG$i1MdVk1QG$?dw `2\crhă#0s1Yb!{4iOGhӟ> h\SM82H95^E&?dyn$CXqFj|Mא5~i B -/a o hdS 1Y `b9\Ră٣KP;7ǚ3Y,M5^CT/-I+]d#'nHN5Z
>VG{4jqAM} v4!H7ì69H֩]n}TyGX/-R%l⹛]Jws+
PZVp Ga{4u{nduPLY3H9g"?v=:ڇf1OkC4\AVnG{$kfGۭ稬8kt4{yFm PuURLH˘iy#[gz
hZ QX0!
*7;Ni}bAhZ QJ/IEsѝ
=#lvk`?Jr(ćQҋb3O_+p!{$o hZ QGAК> Hl娣BzNV#е _+Gj>!$t?TmY!Q*أIJMu? ha\m9
GIkB{
JgZX:/+O)FhzL+aJRć{o,4n3NWM]gQEEPYYRqLD?Ur%GVS{ =c (T?!\1mXAVK۵v^b}:]8"@l&)p)Ad_Ώ6?蟘d3C WK =SyT q4;:/Уz'+
=("k3 }
<B0
:S::/Уχz+lS