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[217], 'onEmailFacebookTwitterLinkedInRedditWechat': [218], 'References': [219], '1': [220], 'Alewell,': [221], 'C.,': [222, 408, 639, 763, 853, 885, 1017, 1152, 1189, 1327, 2051, 2393, 2927, 3416, 3494, 3500, 3504, 3597, 3756, 3759, 3796, 3812], 'Mitchell,': [223], 'J.,': [225, 482, 489, 2980, 3168, 3420, 3481, 3488, 3491, 3763], 'Likens,': [226], 'G.': [227, 369, 411, 554, 1112, 1707, 1747, 1787, 1983, 2122, 2161, 2197, 2636, 2687, 2984, 3138, 3205, 3239, 3270, 3319, 3459, 3515, 3808], 'E.,': [228, 756, 924, 1324, 2682, 3133, 3412, 3711, 3750, 3804], 'Kruse,': [230], 'H.': [231, 488, 796, 928, 1053, 1070, 1330, 1358, 1426, 1621, 1774, 2048, 2088, 2438, 2606, 2681, 2754, 2755, 2783, 2784, 2817, 2818, 3107, 3503, 3512], 'R.': [232, 691, 817, 1157, 1194, 1266, 1326, 1459, 1488, 1558, 1680, 1862, 1910, 1950, 1988, 2327, 2398, 2637, 2688, 2976, 3009, 3198, 3490, 3715], '(1999)': [233, 271, 312, 521, 728, 956, 1022, 1123, 1685, 2024, 2203, 2370, 2498, 2689, 2847, 2985, 3048, 3210, 3608, 3816], 'Sources': [234], 'stream': [236, 1274], 'sulfate': [237], 'Hubbard': [240], 'Brook': [241], 'Experimental': [242], 'Forest:': [243], 'Long-term': [244, 1686], 'analyses': [245], 'using': [246, 293, 1842, 1959, 2762, 2854, 2885, 3082], 'stable': [247, 1310, 1339, 1471, 1878, 1921, 1960, 2511, 2855, 2886, 3022, 3324, 3818], 'isotopes.': [248], 'Biogeochemistry': [249, 3091, 3829], '44': [250, 1745], '281–299.': [251], '10.1007/BF00996994': [252], 'Web': [253, 334, 583, 631, 678, 713, 914, 1006, 1047, 1183, 1367, 1701, 1781, 1820, 1851, 1971, 2116, 2226, 2529, 2571, 2711, 2896, 2970, 3095, 3161, 3382, 3560, 3591, 3701], 'Science®Google': [255, 303, 336, 361, 395, 441, 477, 542, 585, 633, 680, 715, 752, 841, 874, 916, 946, 980, 1008, 1049, 1066, 1148, 1185, 1221, 1257, 1282, 1319, 1369, 1399, 1420, 1454, 1483, 1520, 1554, 1616, 1650, 1676, 1703, 1743, 1783, 1822, 1853, 1898, 1941, 1973, 2015, 2041, 2079, 2118, 2157, 2193, 2228, 2275, 2360, 2387, 2434, 2487, 2531, 2573, 2662, 2713, 2743, 2772, 2806, 2841, 2865, 2898, 2921, 2972, 3004, 3032, 3069, 3097, 3163, 3194, 3232, 3263, 3293, 3344, 3384, 3408, 3452, 3477, 3562, 3593, 3635, 3673, 3703, 3739, 3788, 3835], 'Scholar': [256, 304, 337, 362, 396, 442, 478, 514, 543, 586, 634, 681, 716, 753, 804, 842, 875, 917, 947, 981, 1009, 1050, 1067, 1106, 1149, 1186, 1222, 1258, 1283, 1320, 1370, 1400, 1421, 1455, 1484, 1521, 1555, 1581, 1617, 1651, 1677, 1704, 1744, 1784, 1823, 1854, 1899, 1942, 1974, 2016, 2042, 2080, 2119, 2158, 2194, 2229, 2276, 2320, 2361, 2388, 2435, 2456, 2488, 2532, 2574, 2616, 2663, 2714, 2744, 2773, 2807, 2842, 2866, 2899, 2922, 2973, 3005, 3033, 3070, 3098, 3126, 3164, 3195, 3233, 3264, 3294, 3313, 3345, 3385, 3409, 3453, 3478, 3563, 3594, 3636, 3674, 3704, 3740, 3789, 3836], '2': [257], 'Alstad,': [258], 'K.': [259, 857, 889, 1408, 1432, 1755, 2845, 2869, 3008, 3296, 3502, 3815], 'P.,': [260, 1656, 1826, 1906, 2459, 2925, 3809], 'Welker,': [261], 'J.': [262, 270, 597, 646, 727, 809, 816, 927, 954, 1265, 1290, 1374, 1458, 1487, 1524, 1557, 1660, 1684, 1715, 1794, 1828, 1861, 1905, 1909, 1949, 1980, 1987, 2369, 2584, 2629, 2677, 2936, 3012, 3176, 3316, 3456, 3677, 3681, 3707, 3714], 'M.,': [263, 400, 486, 547, 549, 647, 686, 688, 760, 810, 921, 1751, 2581, 2625, 2675, 2929, 2977, 3037, 3040, 3348, 3418, 3497, 3802], 'Williams,': [264, 2723], 'S.': [265, 407, 446, 520, 722, 845, 846, 878, 984, 1291, 1377, 1492, 1620, 2056, 2202, 2467, 2720, 2750, 2779, 2813, 3243, 3274, 3388, 3493, 3766], 'A.,': [266, 594, 644, 758, 850, 882, 1110, 1113, 1116, 2049, 2234, 2279, 2328, 2630, 2678, 2718, 2721, 2748, 2751, 2777, 2780, 2811, 2814, 3173, 3350, 3603, 3744], 'Trlica,': [268], 'Carbon': [272, 768, 957, 1494, 2127, 2166, 2289, 3277, 3683], 'water': [274, 288, 458, 562, 863, 904, 933, 1213, 1229, 1294, 1343, 1634, 1835, 1867, 1886, 1929, 2305, 2701, 2955, 3213, 3687, 3721], 'relations': [275, 1171, 3722], 'Salix': [277], 'monticola': [278], 'response': [280], 'winter': [282], 'browsing': [283], 'changes': [285, 523, 1162, 1871], 'surface': [287], 'hydrology:': [289], 'an': [290, 830, 898, 1039, 1503, 1545, 1694], 'isotopic': [291, 824, 1665, 1882, 2798, 2888, 3525], 'study': [292, 2421], 'δ13C': [294, 608, 696, 1037, 1165, 1201, 1591, 3572], 'δ18O.': [296], 'Oecologia': [297, 355, 835, 868, 940, 974, 1215, 1313, 1548, 1644, 2035, 2187, 2481, 2737, 2766, 2800, 2859, 2892, 3026, 3188, 3257, 3287, 3471, 3733, 3782], '120': [298, 975, 2036, 2767, 2860], '375–385.': [299], '10.1007/s004420050870': [300], 'CASPubMedWeb': [301, 439, 750, 839, 1064, 1219, 1397, 1418, 1452, 1552, 1674, 1896, 1939, 2191, 2358, 2385, 2485, 2741, 3030, 3067, 3192, 3342, 3633, 3786], '3': [305], 'Austin,': [306, 339, 2668], 'Sala,': [309], 'O.': [310, 3811], 'E.': [311, 951, 1098, 1226, 1262, 1287, 1463, 1561, 1625, 2717, 2747, 2776, 2810, 2937, 3355, 3755], 'Foliar': [313], 'δ15N': [314, 2729], 'is': [315], 'negatively': [316], 'correlated': [317], 'rainfall': [319], 'along': [320, 1038, 1345, 1502, 1544], 'IGBP': [322], 'transect': [323], 'Australia.': [325], 'Australian': [326, 1302, 1733, 2703, 3552], 'Journal': [327, 536, 706, 1734, 2109, 2704, 3553], 'Physiology': [330, 435, 1251, 1514, 1737, 1892, 1935, 2354, 2707, 2998, 3226, 3556, 3629], '26': [331, 1150, 2708], '293–295.': [332], '10.1071/PP98144': [333], 'T.': [341, 546, 591, 641, 719, 812, 923, 950, 1121, 1225, 1261, 1286, 1323, 1462, 1624, 2461, 2680, 3710], 'Vitousek,': [343, 3800], '(1998)': [346, 692, 767, 858, 929, 1158, 1332, 1493, 1756, 2399, 2439, 2586, 2819, 3077, 3320, 3571, 3655, 3845], 'Nutrient': [347], 'dynamics': [348, 737, 828, 1692, 2094, 2791, 2823], 'on': [349, 1090, 1510, 1632, 1690, 1876, 1919, 2471, 2504, 3218, 3523], 'precipiation': [351], 'gradient': [352], 'Hawaii.': [354, 530], '113': [356, 941], '519–529.': [357], '10.1007/s004420050405': [358], 'PubMedWeb': [359, 872, 944, 978, 1255, 1317, 1518, 1648, 2039, 2770, 2804, 2863, 2919, 3002, 3230, 3261, 3291, 3475, 3671, 3737], '5': [363], 'Barbour,': [364, 398, 1749], 'Farquhar,': [368, 410, 1565, 1706, 1746, 1786, 3204, 3238, 3269, 3458, 3514], 'D.': [370, 412, 485, 517, 558, 1681, 3013, 3460, 3485, 3602, 3678], '(2000)': [371, 413, 496, 890, 990, 1588, 2468, 2725, 3014], 'Relative': [372], 'humidity-': [373], 'ABA-induced': [375], 'variation': [376, 3358, 3769], 'carbon': [378, 827, 1025, 1389, 1536, 1722, 1728, 2375, 2512, 2790, 3023, 3249, 3362, 3622], 'oxygen': [380, 417, 1338, 1382, 1411, 1496, 1759, 1804, 1879, 1922, 1997], 'isotope': [381, 418, 466, 769, 895, 958, 1311, 1383, 1472, 1497, 1537, 1723, 1760, 1805, 1925, 1961, 1998, 2069, 2130, 2169, 2290, 2401, 2513, 2760, 3024, 3250, 3278, 3363, 3395, 3623, 3684, 3819], 'ratios': [382, 1384, 1498, 1666, 2063, 2131, 2170, 2242], 'cotton': [384], 'leaves.': [385, 1732, 3663], 'Plant,': [386, 576, 624, 1474], 'Cell': [387, 577, 625, 1475], 'Environment': [389, 579, 627, 1142, 1477], '23': [390, 628, 1051, 3447, 3557], '473–485.': [391], '10.1046/j.1365-3040.2000.00575.x': [392], 'CASWeb': [393, 475, 540, 1146, 1280, 1481, 1614, 1741, 2013, 2077, 2155, 2273, 2432, 2660, 2839, 3406, 3450, 3833], '6': [397], 'Schurr,': [401], 'U.,': [402], 'Henry,': [403, 1753, 1789, 3041], 'B.': [404, 650, 1115, 1754, 1790, 1858, 1946, 2979], 'K.,': [405, 552, 1118, 1791, 3129, 3793], 'Wong,': [406, 3273, 3492], 'Variation': [414], 'ratio': [419, 467, 1999, 2514], 'phloem': [421, 2293], 'sap': [422], 'sucrose': [423], 'from': [424, 667, 935, 1235, 1412, 1470, 1640, 2102, 2560, 2647, 2797, 3254, 3432], 'castor': [425], 'bean:': [426], 'evidence': [427, 3435], 'support': [429], 'Péclet': [432], 'effect.': [433], '123': [436, 3027], '671–679.': [437], '10.1104/pp.123.2.671': [438], '7': [443], 'Begley,': [444], 'I.': [445, 481, 1074, 1122, 2497, 2874, 3509], 'Scrimgeour,': [448, 493, 2392, 2538, 2579, 2623, 2673, 3038], 'C.': [449, 494, 766, 856, 888, 1491, 1527, 1659, 2539, 2580, 2624, 2674, 3039, 3076, 3167, 3236, 3267, 3275, 3566, 3599, 3747, 3758, 3843], '(1997)': [451, 560, 818, 1195, 1796, 1951, 1989, 2541, 2875, 2903, 3139, 3178, 3356], 'High-precision': [452], 'δ2H': [453], 'δ18O': [455], 'measurement': [456, 3056], 'volatile': [460], 'organic': [461, 1809, 3430, 3443], 'compounds': [462], 'continuous-flow': [464], 'pyrolysis': [465], 'mass': [468], 'spectrometry.': [469], 'Analytical': [470, 3337], 'Chemistry': [471, 2073, 3338], '69': [472, 2715], '1530–1535.': [473], '10.1021/ac960935r': [474], '8': [479], 'Bingham,': [480], 'Glass,': [483], 'Kronzucker,': [487], 'Robinson,': [490, 2671], 'D.,': [491, 589, 637, 1708, 1748, 1788, 2462, 2672, 3171, 3206, 3240, 3271, 3516, 3708], 'Isotope': [497, 2241], 'techniques.': [498], 'Root': [499], 'Methods.': [500], 'A': [501, 1309, 1797, 3245, 3609], 'Handbook': [502], 'Smit,': [505], 'et': [506, 3155], 'al.,': [507], 'eds.': [508], 'Berlin': [509], 'Springer-Verlag': [510], 'pp.': [511, 801, 1103, 1365, 1578, 1779, 2454, 2613], '175–210.': [512], 'Google': [513, 803, 1105, 1580, 2319, 2455, 2615, 3125, 3312], '9': [515, 1738], 'Binkley,': [516], 'Resh,': [519], 'Rapid': [522, 742, 1813, 2377, 2652, 3059], 'soils': [525, 2252, 3773], 'following': [526, 3727], 'Eucalyptus': [527, 3584], 'afforestation': [528], 'Soil': [531, 1610, 2269, 2966, 3119], 'Society': [533], 'America': [535], '63': [537, 2457], '222–225.': [538], '10.2136/sssaj1999.03615995006300010032x': [539], '10': [544, 2657], 'Bleby,': [545], 'Aucote,': [548], 'Kennettsmith,': [550], 'Walker,': [553], 'R.,': [555, 723, 1525, 1981, 2366, 3510, 3600, 3748, 3761, 3799], 'Schachtman,': [557], 'Seasonal': [561, 1159, 1293], 'use': [563, 1230, 1273, 3688], 'characteristics': [564], 'tall': [566], 'wheatgrass': [567], '(Agropyron': [568], 'elongatum': [569], '[Host]': [570], 'Beauv.)': [571], 'saline': [574], 'environment.': [575], '20': [580, 948], '1361–1371.': [581], '10.1046/j.1365-3040.1997.d01-29.x': [582], '11': [587, 1449, 1818, 1848, 2010, 3379], 'Bonal,': [588, 636], 'Barigah,': [590, 640, 811], 'S.,': [592, 642, 684, 813, 1012, 1154, 1191, 1654, 2046, 2281, 2627, 2684, 3414, 3513], 'Granier,': [593], 'Guehl,': [596, 645, 808], '(2000a)': [599], 'Late': [600], 'stage': [601], 'canopy': [602, 659], 'tree': [603, 660, 699, 865, 1197, 1245, 2518, 3398, 3626], 'species': [604, 661, 2519], 'extremely': [606], 'low': [607], 'high': [610, 3255], 'stomatal': [611], 'sensitivity': [612], 'seasonal': [614], 'soil': [615, 862, 1603, 2092, 2374, 3216, 3442], 'drought': [616, 1176], 'tropical': [619, 658], 'rainforest': [620, 832], 'French': [622, 663], 'Guiana.': [623], '445–459.': [629], '10.1046/j.1365-3040.2000.00556.x': [630], '12': [635, 1180, 3588, 3668], 'Atger,': [638], 'Ferhi,': [643], 'Ferry,': [649], '(2000b)': [651], 'acquisition': [653], 'patterns': [654, 2643], 'two': [656, 1167, 3183], 'wet': [657], 'Guiana': [664], 'as': [665, 2257, 2946, 3052], 'inferred': [666], 'H218O': [668, 1438], 'extraction': [669], 'profiles.': [670], 'Annals': [671], '57': [675, 2230], '717–724.': [676], '10.1051/forest:2000152': [677], '13': [682, 747, 1044, 1968, 2382, 2526, 3064], 'Borella,': [683], 'Leuenberger,': [685], 'Saurer,': [687], 'Siegwolf,': [690], 'Reducing': [693], 'uncertainties': [694], 'analysis': [697, 2060, 2889, 3322, 3620], 'rings:': [700], 'Pooling,': [701], 'milling': [702], 'cellulose': [704, 3618], 'extraction.': [705], 'Geophysical': [708], 'Research': [709, 2112, 2567], '103': [710], '19519–19526.': [711], '10.1029/98JD01169': [712], '14': [717, 1003], 'Boutton,': [718], 'W.,': [720, 1427, 3806], 'Archer,': [721], 'Midwood,': [725], 'isotopes': [730, 1340, 2826, 3325], 'ecosystem': [732, 1500, 2472, 2696], 'science:': [733], 'structure,': [734], 'function': [735], 'subtropical': [740, 1542], 'savanna.': [741], 'Communications': [743, 1814, 2378, 2653], 'Mass': [745, 1816, 2380, 2655, 3062], 'Spectrometry': [746, 2381, 2656], '1263–1277.': [748], '10.1002/(SICI)1097-0231(19990715)13:13<1263::AID-RCM653>3.0.CO;2-J': [749], '15': [754, 1478], 'Brugnoli,': [755, 3354], 'Scartazza,': [757, 3349], 'Lauteri,': [759, 3347], 'Monteverdi,': [761], 'Maguas,': [765], 'discrimination': [770, 1724, 3251, 3279, 3364, 3463, 3624, 3685], 'structural': [772], 'non-structural': [774], 'carbohydrates': [775], 'relation': [777, 2217], 'productivity': [779], 'adaptation': [781], 'unfavourable': [783], 'conditions.': [784], 'Integration': [789, 1767, 2442, 2599], 'Biological,': [791, 1769, 2444, 2601], 'Ecological': [792, 1770, 2445, 2566, 2602], 'Geochemical': [794, 1772, 2447, 2604], 'Processes': [795, 1773, 2605], 'Griffiths,': [797, 1359, 1775, 2437, 2607], 'ed.': [798, 1100, 1360, 1776, 2608], 'Oxford': [799, 1361, 1777, 2449, 2609], 'BIOS': [800, 1362, 1778, 2450, 2610], '133–146.': [802], '16': [805, 1252], 'Buchmann,': [806], 'N.,': [807, 3131, 3507], 'Ehleringer,': [815, 1264, 1457, 1486, 1523, 1559, 1860, 1908, 1948, 1986, 3713], 'Interseasonal': [819], 'comparison': [820, 3539], 'CO2': [822, 1593, 1953, 2002, 2506, 3465, 3529], 'concentrations,': [823], 'composition': [825, 1540, 1761, 1806, 1883, 1926, 2291, 3526, 3820], 'Amazonian': [831], '(French': [833], 'Guiana).': [834], '110': [836], '120–131.': [837], '10.1007/s004420050140': [838], '17': [843], 'Burgess,': [844, 877], 'O.,': [847, 879, 2622, 3043], 'Turner,': [851, 883, 1827], 'N.': [852, 884, 2023, 3506, 3844], 'Ong,': [855, 887], 'redistribution': [860], 'root': [866, 1299, 1307], 'systems.': [867, 2913], '115': [869], '306–311.': [870], '10.1111/j.1365-3040.2004.01207.x': [871], '18': [876, 1515], 'Characterisation': [891], 'hydrogen': [894, 1336, 1664, 1881, 1924, 2887], 'profile': [896], 'agroforestry': [899], 'system:': [900], 'implications': [901, 968], 'tracing': [903], 'sources': [905], 'trees.': [907, 2996], 'Agricultural': [908], 'Management': [910], '45': [911, 1785], '229–241.': [912], '10.1016/S0378-3774(00)00105-0': [913], '19': [918, 2999, 3227, 3630], 'Caldwell,': [919], 'Dawson,': [922, 1224, 1260, 1285, 1322, 1461, 1623, 3709], 'Richards,': [926], 'Hydraulic': [930, 1627], 'lift-consequences': [931], 'efflux': [934], 'roots': [937], 'plants.': [939, 1414, 1444, 2427], '151–161.': [942], '10.1007/s004420050363': [943], 'Cerling,': [949], 'Harris,': [953], 'fractionation': [959, 1127], 'between': [960, 1380, 1595, 1721, 2091, 2334, 2727, 3540], 'diet': [961], 'bioapatite': [963], 'ungulate': [965], 'animals': [966], 'ecological': [970, 1354], 'paleoecological': [972], 'studies.': [973], '347–363.': [976], '10.1007/s004420050868': [977], '21': [982], 'Chang,': [983], 'X.': [985], 'Handley,': [987, 1019, 2534, 2576, 2618, 2665, 3045], 'L.': [988, 989, 1020, 1021, 1073, 1109, 1857, 1890, 1902, 1933, 1945, 1977, 2020, 2535, 2536, 2577, 2619, 2666, 2873, 3046, 3047, 3073, 3743, 3746, 3792], 'Abundances': [991], '(δ15N)': [992, 2694], 'forests': [994, 1234], 'northern': [996], 'Vancouver': [997], 'Island,': [998], 'British': [999], 'Columbia.': [1000], 'Functional': [1001, 1042, 1178, 2524, 3377, 3586], '273–280.': [1004], '10.1046/j.1365-2435.2000.00424.x': [1005], '22': [1010], 'Cordell,': [1011], 'Goldstein,': [1013], 'G.,': [1014, 1403, 1424, 2232, 2323, 2364, 2391], 'Meinzer,': [1015], 'Allocation': [1023], 'nitrogen': [1027, 1691, 2093, 2129, 2168, 2248, 2265, 2473, 2731, 2759, 2788, 3184, 3327, 3728], 'leaves': [1029, 1441, 3822], 'Metrosideros': [1031], 'polymorpha': [1032], 'regulates': [1033], 'carboxylation': [1034], 'capacity': [1035], 'altitudinal': [1040, 3285], 'gradient.': [1041], '811–818.': [1045], '10.1046/j.1365-2435.1999.00381.x': [1046], 'Craig,': [1052, 1069], '(1961)': [1054], 'Isotopic': [1055, 1124], 'variations': [1056, 1079, 1198], 'meteoric': [1058], 'water.': [1059, 1275, 1392, 1812], '133': [1061], '1702–1703.': [1062], '10.1126/science.133.3465.1702': [1063], '24': [1068, 2113], 'Gordon,': [1072], '(1965)': [1075], 'Deuterium': [1076], 'oxygen-18': [1078], 'ocean': [1082], 'marine': [1084], 'atmosphere.': [1085], 'Proceedings': [1086], 'Conference': [1089], 'Oceanographic': [1094], 'Studies': [1095], 'Paleotemperatures': [1097], 'Tongiorgi,': [1099], 'Spoleto,': [1101], 'Italy': [1102], '9–130.': [1104], '25': [1107], 'Currie,': [1108], 'Klouda,': [1111], 'Benner,': [1114], 'Garrity,': [1117], 'Eglinton,': [1120], 'molecular': [1126, 1133, 1138], 'combustion;': [1129], 'three': [1130, 2648], 'routes': [1131], 'marker': [1134], 'validation,': [1135], 'including': [1136, 2149], 'direct': [1137], '"dating"': [1139], '(GC/AMS).': [1140], 'Atmospheric': [1141], '33': [1143, 1401], '2789–2806.': [1144], '10.1016/S1352-2310(98)00325-2': [1145], 'Damesin,': [1151, 1188], 'Rambal,': [1153, 1190], 'Joffre,': [1156, 1193], 'annual': [1161], 'leaf': [1164, 1173, 1200, 1763, 1885, 1928, 2502, 2510, 3019], 'co-occurring': [1168], 'Mediterranean': [1169, 1209], 'oaks:': [1170], 'growth': [1174], 'progression.': [1177], '778–785.': [1181], '10.1046/j.1365-2435.1998.00259.x': [1182], '27': [1187, 2568], 'Between': [1196], 'Quercus': [1203, 1206], 'pubescens': [1204], 'ilex': [1207], 'among': [1208], 'habitats': [1210], 'different': [1212, 2133, 2172, 2211, 2345, 3375], 'availability.': [1214, 2702], '111': [1216, 3189], '26–35.': [1217], '10.1007/s004420050204': [1218], '(1996)': [1227, 1292, 1626, 1833, 2638, 3108, 3520, 3767], 'Determining': [1228], 'trees': [1232, 1269, 1841, 2144, 3582], 'isotopic,': [1236], 'energy': [1237], 'balance': [1238], 'transpiration': [1240], 'analyses:': [1241], 'roles': [1243], 'size': [1246], 'hydraulic': [1248, 2988], 'lift.': [1249], 'Tree': [1250, 1513, 2997, 3225, 3628], '263–272.': [1253], '10.1093/treephys/16.1-2.263': [1254], '29': [1259, 2152], '(1991)': [1267, 1863, 1911, 2165, 3276], 'Streamside': [1268], 'that': [1270, 2349, 2987], 'do': [1271], 'not': [1272], 'Nature': [1276, 1415], '350': [1277], '335–337.': [1278], '10.1038/350335a0': [1279], '30': [1284], 'Pate,': [1289], 'uptake': [1295, 1466, 1836], 'movement': [1297, 1344], 'systems': [1300, 2556], 'phraeatophytic': [1303], 'plants': [1304, 1543, 3253, 3281, 3692], 'dimorphic': [1306], 'morphology:': [1308], 'investigation.': [1312], '107': [1314], '13–20.': [1315], '10.1007/BF00582230': [1316], '31': [1321], 'Pausch,': [1325], 'Parker,': [1329], 'role': [1334], 'understanding': [1342], 'soil-plant-atmosphere': [1347], 'continuum.': [1348], 'isotopes:': [1350, 2856], 'integration': [1351], 'biological,': [1353], 'geochemical': [1356], 'processes': [1357], 'Scientific': [1363, 2451, 2611], 'Publishers': [1364, 2452, 2612], '169–183.': [1366], '32': [1371], 'DeNiro,': [1372], 'Epstein,': [1376, 1653], '(1979)': [1378], 'Relationship': [1379], 'terrestrial': [1386, 2592, 3469], 'plant': [1387, 1668, 2027, 2100, 2342, 2543], 'cellulose,': [1388], 'dioxide': [1390, 1729], '204': [1394], '51–53.': [1395], '10.1126/science.204.4388.51': [1396], 'Dongmann,': [1402, 1423], 'Förstel,': [1404, 1428], 'H.,': [1405, 1429, 1712, 2283, 2633, 3101, 3237, 3268], 'Wagner,': [1407, 1431], '(1972)': [1409], '18O-rich': [1410], 'lant': [1413], '240': [1416], '127–128.': [1417], '34': [1422], 'Nürnberg,': [1425], '(1974)': [1433], 'On': [1434, 1718], 'enrichment': [1436], 'transpiring': [1443], 'Radiation': [1445], 'Environmental': [1447, 3308], 'Biophysics': [1448], '41–52.': [1450], '10.1007/BF01323099': [1451], '35': [1456], '(1992)': [1464], 'plants:': [1468, 2594], 'perspectives': [1469], 'composition.': [1473, 3025], '1073–1082.': [1479], '10.1111/j.1365-3040.1992.tb01657.x': [1480], '36': [1485], 'Cook,': [1490], 'respiration': [1501, 1597, 1604], 'Oregon': [1504], 'conifer': [1505, 3018], 'transect:': [1506], 'preliminary': [1507, 2962], 'observations': [1508], 'based': [1509], 'small-flask': [1511], 'sampling.': [1512], '513–519.': [1516], '10.1093/treephys/18.8-9.513': [1517], '37': [1522], 'Field,': [1526], 'B.,': [1528, 1903, 1978, 3483, 3753], 'Lin,': [1529], 'Z.-F.,': [1530], 'Kuo,': [1532], 'C.-Y.': [1533], '(1986)': [1534, 3393], 'Leaf': [1535], 'mineral': [1539], 'irradiance': [1546], 'cline.': [1547], '70': [1549, 2745, 3339], '520–526.': [1550], '10.1007/BF00379898': [1551], '38': [1556], 'Hall,': [1562], 'G.D.': [1564], 'editors': [1566, 3301], '(1993)': [1567, 2126, 2332], 'Carbon/Water': [1572], 'Relations.': [1573], 'San': [1574], 'Diego': [1575], 'Academic': [1576], 'Press': [1577], '555.': [1579], '39': [1582], 'Ekblad,': [1583], 'Hogberg,': [1586], 'Analysis': [1589], 'distinguishes': [1594], 'microbial': [1596], 'added': [1599], 'C4-sucrose': [1600], 'other': [1602], 'C3-ecosystem.': [1607], '219': [1611], '197–200.': [1612], '10.1023/A:1004732430929': [1613], '40': [1618], 'Emerman,': [1619], 'lift': [1628], 'its': [1630], 'influence': [1631, 2500], 'content': [1635, 2337], 'rhizosphere-an': [1638], 'example': [1639], 'sugar': [1641], 'maple,': [1642], 'Acersaccharum.': [1643], '108': [1645], '273–278.': [1646], '10.1007/BF00334651': [1647], '41': [1652, 3092], 'Thompson,': [1655], 'Yapp,': [1658], '(1977)': [1661], 'Oxygen': [1662], 'cellulose.': [1669], '198': [1671], '1209–1215.': [1672], '10.1126/science.198.4323.1209': [1673], '42': [1678], 'Evans,': [1679, 2050], 'Belnap,': [1683], 'consequences': [1687], 'disturbance': [1689], 'arid': [1695], 'ecosystem.': [1696, 3153], '80': [1698, 3071], '150–160.': [1699], '10.1890/0012-9658(1999)080[0150:LTCODO]2.0.CO;2': [1700], '43': [1705], 'O': [1709], 'Leary,': [1710], 'Berry,': [1714], '(1982)': [1717], 'relationship': [1720], 'intercellular': [1727], 'concentration': [1730], '121–137.': [1739], '10.1071/PP9820121': [1740], 'Interpretation': [1757, 2757], 'material.': [1764], 'Isotopes:': [1766, 2441, 2598], '27–62.': [1780], 'Styles,': [1793], 'rapid': [1798, 3610], 'on-line': [1799], 'technique': [1800], 'determination': [1802], 'nitrogen-containing': [1808], 'matter': [1810], 'Spectroscopy': [1817, 3063], '1550–1560.': [1819], '46': [1824, 3830], 'Farrington,': [1825], 'V.,': [1829], 'Gailitis,': [1831], 'V.': [1832], 'Tracing': [1834, 2848], 'jarrah': [1838], '(Eucalyptus': [1839], 'marginata)': [1840], 'natural': [1843, 2096, 2205, 2547, 2588, 2641, 2692, 2909, 3083, 3147, 3334], 'abundances': [1844, 2941, 3084], 'deuterium.': [1846], 'Trees': [1847], '9–15.': [1849], '10.1007/PL00009654': [1850], '47': [1855], 'Flanagan,': [1856, 1901, 1944, 1976], 'Effects': [1864, 3211], 'mild': [1866], 'stress': [1868, 2956], 'diurnal': [1870], 'temperature': [1873], 'humidity': [1875], 'Cornus': [1888], 'stolonifera': [1889], '97': [1893, 3675], '298–305.': [1894], '10.1104/pp.97.1.298': [1895], '48': [1900, 2074], 'Comstock,': [1904], 'Comparison': [1912], 'modelled': [1914], 'observed': [1916], 'environmental': [1917], 'influences': [1918], 'Phaseolus': [1931], 'vulgaris': [1932], '96': [1936, 3637], '588–596.': [1937], '10.1104/pp.96.2.588': [1938], '49': [1943], 'Ecosystem-atmosphere': [1952], 'exchange:': [1954], 'interpreting': [1955], 'signals': [1956], 'change': [1958, 3778], 'ratios.': [1962], 'Trends': [1963], 'Evolution': [1967], '10–14.': [1969], '10.1016/S0169-5347(97)01275-5': [1970], '50': [1975], 'Brooks,': [1979], 'Varney,': [1982], 'T.,': [1984, 2492, 2670, 2933, 3135], 'Discrimination': [1990], 'against': [1991], '(COO)-18O-16O': [1992], 'during': [1993, 2032, 2309, 2827, 3464, 3779], 'photosynthesis': [1994, 2991], 'respired': [2001], 'boreal': [2004, 3548], 'forest': [2005, 2181, 3186, 3543, 3549], 'ecosystems.': [2006, 2651, 3187], 'Global': [2007], 'Biogeochemical': [2008], 'Cycles': [2009], '83–98.': [2011], '10.1029/96GB03941': [2012], '51': [2017], 'Fogel,': [2018], 'Tuross,': [2022], 'Transformation': [2025], 'biochemicals': [2028], 'geological': [2030], 'macromolecules': [2031], 'early': [2033], 'diagenesis.': [2034], '336–346.': [2037], '10.1007/s004420050867': [2038], '52': [2043], 'Gardner,': [2044], 'W.': [2045, 3389], 'Bootsma,': [2047], 'John,': [2053], '(1995)': [2057, 2938, 3426], 'Improved': [2058], 'chromatographic': [2059], '15N/14N': [2062], 'ammonium': [2065], 'or': [2066], 'nitrate': [2067], 'addition': [2070], 'experiments.': [2071], 'Marine': [2072], '271–282.': [2075], '10.1016/0304-4203(94)00060-Q': [2076], '53': [2081], 'Garten,': [2082], 'C.T.': [2083], 'Jr.': [2084], 'van': [2086, 3169], 'Miegroet,': [2087], '(1994)': [2089, 2240, 3302, 3461, 3682, 3716], 'Relationships': [2090], '15N': [2097, 2204, 2546, 2587, 2640, 2691, 2908, 2943, 3146, 3180], 'abundance': [2098, 2206, 2589, 2642, 2693, 2910, 3113, 3148, 3181, 3335], 'foliage': [2101, 2297, 3399], 'Great': [2103], 'Smoky': [2104], 'Mountains': [2105], 'National': [2106], 'Park.': [2107], 'Canadian': [2108], '1636–1645.': [2114], '10.1139/x94-212': [2115], '54': [2120], 'Gebauer,': [2121, 2160, 2196, 2231, 3318], 'Dietrich,': [2124], 'compartments': [2134, 2173, 2347], 'mixed': [2137], 'stand': [2138], 'spruce,': [2140], 'larch': [2141], 'beech': [2143, 2299], 'understorey': [2147], 'vegetation': [2148], 'fungi.': [2150], 'Isotopenpraxis': [2151], '35–44.': [2153], '10.1080/10256019308046133': [2154], '55': [2159], 'Schulze,': [2163, 2235, 3518], 'E.-D.': [2164, 3519], 'healthy': [2176], 'declining': [2178], 'Picea': [2179, 2254], 'abies': [2180, 2255], 'Fichtelgebirge,': [2184], 'NE': [2185], 'Bavaria.': [2186], '87': [2188, 3295], '198–207.': [2189], '10.1007/BF00325257': [2190], '56': [2195], 'Taylor,': [2199], 'fruit': [2208], 'bodies': [2209], 'functional': [2212], 'groups': [2213], 'fungi': [2215, 2646, 2796], 'substrate': [2219], 'utilization.': [2220], 'New': [2221, 2313, 2914], 'Phytologist': [2222, 2314, 2915], '142': [2223], '93–101.': [2224], '10.1046/j.1469-8137.1999.00373.x': [2225], 'Giesemann,': [2233], 'E.-D.,': [2236], 'Jäger,': [2238], 'H.-J.': [2239], 'concentrations': [2244, 2732], 'sulfur': [2246, 2263], 'needles': [2250], 'stands': [2256], 'influenced': [2258], 'atmospheric': [2260, 3528], 'deposition': [2261], 'compounds.': [2266], '164': [2270], '267–281.': [2271], '10.1007/BF00010079': [2272], '58': [2277], 'Gessler,': [2278], 'Schrempp,': [2280], 'Rennenberg,': [2282], '(2001)': [2288], 'sap,': [2294], 'wood': [2295, 3574, 3616], '(Fagus': [2300], 'sylvatica': [2301], 'L.):': [2302], 'effects': [2303, 2470, 3522], 'availability': [2306], 'radiation': [2308], 'growing': [2311], 'season.': [2312], '150': [2315], '(in': [2316], 'press).': [2317], '10.1046/j.1469-8137.2001.00136.x': [2318], '59': [2321, 3123], 'Gleixner,': [2322, 2363, 2390], 'Danier,': [2324], 'H.-J.,': [2325], 'Werner,': [2326], 'Schmidt,': [2330, 2394, 2626, 2683], 'H.-L.': [2331], 'Correlations': [2333, 2726], '13C': [2336, 2945, 3462, 3657], 'primary': [2339, 2828], 'secondary': [2341], 'products': [2343], 'if': [2344], 'cell': [2346], 'decomposing': [2351], 'basidiomycetes.': [2352], '102': [2355], '1287–1290.': [2356], '10.1104/pp.102.4.1287': [2357], '60': [2362], 'Bol,': [2365], 'Balesdent,': [2368, 3419], 'Molecular': [2371], 'insight': [2372], 'into': [2373, 2787], 'turnover.': [2376], '1278–1283.': [2383], '10.1002/(SICI)1097-0231(19990715)13:13<1278::AID-RCM649>3.0.CO;2-N': [2384], '61': [2389, 3158], 'H.-L.,': [2395], 'Viola,': [2397], 'distribution': [2402], 'major': [2405], 'metabolites': [2406], 'source': [2408], 'sink': [2410], 'organs': [2411], 'Solanum': [2413], 'tuberosum': [2414], 'L.:': [2415], 'powerful': [2417], 'tool': [2418], 'metabolic': [2423], 'partitioning': [2424], 'intact': [2426], 'Planta': [2428], '207': [2429], '241–245.': [2430], '10.1007/s004250050479': [2431], '62': [2436], 'Processes.': [2448], 'XXX': [2453], 'Grogan,': [2458], 'Bruns,': [2460], 'Chapin': [2464], 'III,': [2465], 'Fire': [2469], 'cycling': [2474, 3079], 'Californian': [2477], 'bishop': [2478], 'pine': [2479, 3662], 'forest.': [2480], '122': [2482, 2738], '537–544.': [2483], '10.1007/s004420050977': [2484], '64': [2489], 'Hanba,': [2490], 'Y.': [2491], 'Miyazawa,': [2493], 'S.-I.': [2494], 'Terashima,': [2496], 'thickness': [2503], 'transfer': [2507], 'conductance': [2508, 2989, 3367], 'some': [2516], 'evergreen': [2517], 'Japanese': [2521], 'warm-temperate': [2522], 'forests.': [2523, 3828], '632–639.': [2527], '10.1046/j.1365-2435.1999.00364.x': [2528], '65': [2533], 'ecology': [2544], 'abundance:': [2548], 'present': [2550], 'limits': [2551, 2990], 'interpretation': [2553], 'uncultivated': [2555], 'original': [2558], 'data': [2559], 'Scottish': [2562], 'oldfield.': [2563], 'Advances': [2564], '133–212.': [2569], '10.1016/S0065-2504(08)60008-2': [2570], '66': [2575], 'L.,': [2578, 2620, 2667, 2931, 3199], 'Raven,': [2583, 2628, 2676], 'levels': [2590], 'vascular': [2593], 'précis.': [2596], '89–98.': [2614], '67': [2617, 3403], 'Brendel,': [2621], 'Turnbull,': [2631], 'Stewart,': [2635, 2686], 'field-collected': [2645], 'kinds': [2649], '974–978.': [2658], '10.1002/(SICI)1097-0231(19960610)10:8<974::AID-RCM533>3.0.CO;2-Z': [2659], '68': [2664], 'Heaton,': [2679], 'samples': [2697], 'reflects': [2698], 'measures': [2699], '185–199.': [2709], '10.1071/PP98146': [2710], 'Hobbie,': [2716, 2746, 2775, 2809], 'Macko,': [2719, 2749, 2778, 2812], 'foliar': [2728], 'may': [2733], 'indicate': [2734], 'plant-mycorrhizal': [2735], 'interactions.': [2736], '273–283.': [2739], '10.1007/PL00008856': [2740], 'Shugart,': [2753, 2782, 2816], '(1999a)': [2756], 'signatures': [2761], 'NIFTE': [2764], 'model.': [2765], '405–415.': [2768], '10.1007/s004420050873': [2769], '71': [2774], '(1999b)': [2785], 'Insights': [2786], 'ectomycorrhizal': [2793], 'saprotrophic': [2795], 'evidence.': [2799], '118': [2801], '353–360.': [2802], '10.1007/s004420050736': [2803], '72': [2808], 'Patterns': [2820], 'N': [2822, 2825, 2952], 'succession': [2829], 'Glacier': [2831], 'Bay,': [2832], 'Alaska.': [2833], 'Chemical': [2834], 'Geology': [2835], '152': [2836], '3–11.': [2837], '10.1016/S0009-2541(98)00092-8': [2838], '73': [2843], 'Hobson,': [2844, 2868], 'origins': [2849], 'migration': [2851], 'wildlife': [2853], 'review.': [2858], '314–326.': [2861], '10.1007/s004420050865': [2862], '74': [2867, 3258], 'Wassenaar,': [2872], 'Linking': [2876], 'breeding': [2877], 'wintering': [2879], 'grounds': [2880], 'neotropical': [2882], 'migrant': [2883], 'songbirds': [2884], 'feathers.': [2891], '109': [2893], '142–148.': [2894], '10.1007/s004420050068': [2895], '75': [2900, 3698], 'Högberg,': [2901, 2924, 2928], 'Tansley': [2904], 'Review': [2905], 'No.': [2906], '95.': [2907], 'soil-plant': [2912], '137': [2916], '179–203.': [2917], '10.1046/j.1469-8137.1997.00808.x': [2918], '76': [2923], 'Johannisson,': [2926], 'Högbom,': [2930], 'Näsholm,': [2932], 'Hallgren,': [2935], 'Measurements': [2939], 'tools': [2947], 'retrospective': [2949], 'studies': [2950], 'balances': [2953, 3110], 'forests:': [2958], 'discussion': [2960], 'results.': [2963], '168': [2967], '125–133.': [2968], '10.1007/BF00029321': [2969], '77': [2974], 'Hubbard,': [2975], 'Bond,': [2978], 'Ryan,': [2982], 'Evidence': [2986], 'old': [2993], 'Pinus': [2994, 3223], 'ponderosa': [2995], '165–172.': [3000], '10.1093/treephys/19.3.165': [3001], '78': [3006], 'Hultine,': [3007], 'Marshall,': [3011, 3676, 3706], 'Altitude': [3015], 'trends': [3016], 'morphology': [3020], '32–40.': [3028], '10.1007/s004420050986': [3029], '79': [3034], 'Johnston,': [3035], 'Isolation': [3049], 'NO3--N': [3051], '1-phenylazo-2-napthol': [3053], '(Sudan-1)': [3054], 'δ15N.': [3058], 'communications': [3060], '1531–1534.': [3065], '10.1002/(SICI)1097-0231(19990730)13:14<1531::AID-RCM685>3.0.CO;2-8': [3066], 'Kellman,': [3072], 'Hillaire-Marcel,': [3075], 'Nitrate': [3078], 'streams:': [3081], 'NO3-15N': [3086], 'measure': [3088], 'in-situ': [3089], 'denitrification.': [3090], '273–292.': [3093], '10.1023/A:1006036706522': [3094], '81': [3099], 'Kirchmarr,': [3100], 'Pichlmayer,': [3102], 'F.,': [3103, 3203, 3422], 'Gerzabek,': [3105], 'Sulfur': [3109], '34S': [3112], 'long-term': [3116], 'fertilizer': [3117], 'experiment.': [3118], 'Biology': [3120], 'Biochemistry': [3122], '174–178.': [3124], '82': 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